B2 First Writing Formal and Informal Email Register Quiz

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| Questions: 15 | Updated: May 7, 2026
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1. Which phrase is too casual for professional correspondence?

Explanation

The phrase "Just send me your thoughts, yeah?" is too casual for professional correspondence because it uses informal language and a colloquial expression ("yeah") that may come across as unprofessional. In a business context, more formal language is expected to convey respect and seriousness in communication.

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About This Quiz
B2 First Writing Formal and Informal Email Register Quiz - Quiz

This quiz tests your ability to distinguish between formal and informal email register in B2 First Writing. You'll identify appropriate tone, vocabulary, and structure for different email contexts\u2014from professional correspondence to casual messages. Master these register differences to write effective emails across all situations. Key focus: B2 First Writing Formal... see moreand Informal Email Register Quiz. see less

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2. Informal register often uses ____ to create a conversational tone.

Explanation

Contractions are commonly used in informal language to mimic natural speech patterns, making communication feel more relaxed and personal. By shortening words like "do not" to "don't," speakers create a friendly and approachable tone, enhancing the conversational quality of their interactions. This style is prevalent in casual conversations, texts, and social media.

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3. Which closing works for an informal email between friends?

Explanation

"Talk soon!" is an appropriate closing for an informal email among friends because it conveys a friendly and casual tone. It suggests that the sender looks forward to future communication, aligning with the relaxed nature of informal correspondence. Other options, like "Yours faithfully" or "I remain your obedient servant," are too formal for such a context.

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4. Formal business emails avoid ____.

Explanation

Formal business emails maintain professionalism and clarity by avoiding slang. Slang can be informal and ambiguous, potentially leading to misunderstandings. Using standard language ensures that the message is clear and respectful, which is essential in a professional context where tone and clarity are crucial for effective communication.

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5. Which sentence uses informal register?

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6. In formal email, 'I'm' should be replaced with ____.

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7. Which tone best describes formal email register?

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8. Which greeting is most appropriate for a formal business email?

Explanation

Using "Dear Sir or Madam" is appropriate for formal business emails as it conveys respect and professionalism. This greeting is suitable when the recipient's name is unknown, maintaining a courteous tone that aligns with business etiquette. It sets a serious tone for the correspondence, which is essential in formal communication.

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9. Choose the informal email closing.

Explanation

"Catch you later!" is an informal email closing that conveys a friendly and casual tone, making it suitable for personal or informal communication. Unlike formal closings such as "Yours sincerely" or "Respectfully," it reflects a relaxed familiarity, indicating a close relationship between the sender and recipient.

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10. Which sentence uses formal register?

Explanation

This sentence employs a formal register by using polite language and a structured approach. Phrases like "I would like to arrange" and "discuss the proposal" convey professionalism and respect, making it suitable for formal contexts, such as business communications, unlike the other options that use informal language.

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11. Identify the informal register phrase.

Explanation

The phrase "No worries, I'll sort it out" exemplifies an informal register due to its casual language and tone. It conveys reassurance and a relaxed attitude, contrasting with the more formal phrases that use polite or business-like expressions. This informality makes it suitable for friendly or casual conversations.

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12. Which contraction is acceptable in formal email?

Explanation

In formal emails, it's generally advisable to avoid contractions to maintain a professional tone. Using full forms enhances clarity and demonstrates respect for the recipient. Therefore, none of the contractions listed are deemed appropriate for formal communication.

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13. Choose the formal alternative to 'Thanks for your help.'

Explanation

"Thank you for your assistance" is a formal expression that conveys gratitude in a professional context. It maintains a respectful tone, making it suitable for formal communications, unlike the other options, which are more casual and informal in nature.

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14. Which opening is suitable for a casual email to a colleague?

Explanation

"Just wanted to check in quickly" is an informal and friendly way to start a casual email, making it suitable for communication between colleagues. It conveys a relaxed tone while indicating the purpose of the email, fostering a sense of approachability and camaraderie in the workplace.

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15. Formal email register typically includes ____.

Explanation

Formal email register emphasizes clarity and professionalism, which is achieved through the use of complete sentences. This structure helps convey messages effectively, ensuring that the recipient understands the intent and context without ambiguity. Using complete sentences also reflects a respectful tone, appropriate for formal communication.

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Which phrase is too casual for professional correspondence?
Informal register often uses ____ to create a conversational tone.
Which closing works for an informal email between friends?
Formal business emails avoid ____.
Which sentence uses informal register?
In formal email, 'I'm' should be replaced with ____.
Which tone best describes formal email register?
Which greeting is most appropriate for a formal business email?
Choose the informal email closing.
Which sentence uses formal register?
Identify the informal register phrase.
Which contraction is acceptable in formal email?
Choose the formal alternative to 'Thanks for your help.'
Which opening is suitable for a casual email to a colleague?
Formal email register typically includes ____.
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