Duolingo English Test Word Forms Nouns Verbs Adjectives Quiz

"Achievement" is the noun form that fits the sentence structure, indicating a result or outcome of success. The phrase emphasizes that success is not just a momentary event but a significant accomplishment that stems from dedicated effort and hard work. The other options do not grammatically fit the context of the sentence.

In this sentence, the present perfect tense "have completed" is used to indicate that the action of finishing the homework has occurred at some indefinite time in the past and is relevant to the present. "Completed" is the past participle form of the verb "complete," making it the appropriate choice.

The adjective "excellent" describes the noun "performance" and indicates a high quality. In this context, it highlights the outstanding nature of the performance that led to the award. The other options do not fit grammatically or contextually, as they do not serve as appropriate adjectives.

The noun form "completion" refers to the state of having finished the project. In the sentence, it signifies the successful end of the project, indicating that the entire process required three months to reach this final stage. Other options do not fit grammatically or contextually as nouns.

The verb "delivered" is in the past tense, indicating that the action of presenting has already occurred. This aligns with the context of the sentence, which suggests that she completed the presentation confidently at a previous time. The other options do not fit the past context.

"Practical" is the appropriate adjective to describe a solution that is effective and applicable in real-world situations. It conveys that the solution is not only theoretical but also useful and implementable, making it suitable for solving the problem at hand. Other options do not fit grammatically or contextually in this sentence.

In this sentence, "performance" is the appropriate noun that fits the context. It refers to how well the team played or performed during the season. The other options do not serve as nouns or do not convey the intended meaning in this context.

The sentence requires the base form of the verb to express a future intention. "Plan" is the appropriate choice as it indicates the intention to visit grandparents next week. The other options do not fit grammatically in this context, as they either denote past actions or incorrect forms for this future plan.

In the sentence, the blank requires an adjective to describe the noun "student." "Curious" fits this role as it characterizes the student as someone who has a desire to learn and inquire, making it the appropriate choice. The other options do not function as adjectives in this context.

In this sentence, "height" is the noun that refers to the measurement from the base to the top of the building. The context suggests that the impressive aspect pertains to the building's vertical measurement, making "height" the appropriate choice. The other options do not fit grammatically or contextually.

The sentence requires a past tense verb to indicate that the action of going to the store occurred yesterday. "Went" is the past tense of "go," making it the correct choice. The other options do not fit the past context of the sentence.

"Rainy" is the adjective form that describes the type of weather. It conveys that the weather is characterized by rain, which directly affects the conditions of the game. The other options do not function as adjectives in this context.