Select the word or phrase that makes this sentence grammatically correct. The children started ___________ away their trash without being asked.

Correct Answer: B

Rationale: In this sentence, 'to throw' is the correct form to use after the verb 'started' to indicate the action that the children began doing. The infinitive form 'to throw' is needed after the verb 'started' to show the purpose or action that is about to happen. When an action follows another action that has already started, the infinitive form is typically used to express the purpose or intention behind the subsequent action, making 'to throw' the most appropriate choice. Choices A, C, and D are incorrect because 'throw' is not the correct form to follow 'started' as it needs an infinitive form, 'threw' is the past tense which is not suitable in this context, and 'threwing' is an incorrect form of the verb that does not exist in standard English.

Correct Answer: B

Rationale: The correct form to use in this sentence is the present participle 'taking.' The sentence should read, 'Before taking this medicine, consume a modest meal.' It is important to use the present participle form when talking about an action that occurs before another action. Choice A 'having taken' is incorrect as it suggests a completed action before consuming a meal. Choice C 'took' is in the past tense, not suitable for indicating an action that should happen before another. Choice D 'will take' is in the future tense, which does not fit the context of the sentence.

Correct Answer: B

Rationale: In this sentence, the subject 'board of education' is singular, so the verb should also be singular to match. 'Plans' is the correct form of the verb to use with a singular subject. The correct sentence should be: 'The board of education plans to hold a special meeting.' Choices A, C, and D are incorrect because they do not agree in number with the singular subject 'board of education.' 'Plan' is plural, 'planning' is a gerund form, and 'do plan' is not the correct verb form for the subject-verb agreement in this sentence.

Correct Answer: B

Rationale: The correct word to substitute for the underlined words 'the children' in the sentence would be 'their' to ensure clarity and proper possessive form. Using 'their' makes it clear that the photographs belong to the children. Choice A 'its' is incorrect as it refers to singular possession. Choice C 'they' is a pronoun and does not indicate possession. Choice D 'his' is incorrect as it is singular and refers to a male possessive form, which does not match the plural 'children' in the sentence.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.