Correct Answer: A

Rationale: In the sentence provided, the word 'lay' is used incorrectly. The correct past tense of 'lay' in this context should be 'lay.' Therefore, the sentence should read, 'Dr. Leo laid the paperwork out upon the table for us to view.' 'Laid' is the past participle of 'lay' when it requires an object. In this sentence, 'lay' is the correct choice as it is used without an object. The other choices ('upon,' 'us,' 'view') are used appropriately in the sentence and do not contain any errors.

Correct Answer: A

Rationale: The phrase 'as long as' is used to indicate a condition that needs to be met for the main clause to happen. In this sentence, the radiology department sends Troy to pick up lunch only if it isn't too busy at the office, so 'as long as' is the most suitable phrase to convey this conditional relationship. Choice B, 'as if,' implies a hypothetical comparison rather than a condition. Choice C, 'after,' suggests a sequence of events rather than a condition. Choice D, 'unless,' introduces a negative condition which does not fit the context of the sentence.

Correct Answer: B

Rationale: The correct word to make the sentence grammatically correct is 'too.' In this context, 'too' means excessively or to a higher degree, indicating that the person is extremely uncomfortable and needs another pillow. 'To' is a preposition and does not fit the context of the sentence. 'Much' is an adverb used to refer to a large quantity, not the degree of discomfort. 'Lesser' is a comparative adjective, which is not suitable for expressing the level of discomfort in this sentence. Therefore, 'too' is the most appropriate choice to convey the intended meaning.

Correct Answer: A

Rationale: In the sentence, 'The nurse told Silvio's family that visiting hours were over, but Silvio's family could come back early tomorrow morning,' the second occurrence of 'Silvio's family' can be effectively substituted with the word 'them' to avoid repetition and improve clarity. Using 'them' in this context helps to make the sentence more concise and less redundant, enhancing the overall flow and readability. Choice B ('us') is incorrect as it would imply that Silvio's family could come back early tomorrow morning to the speaker and others, which is not the intended meaning. Choice C ('they') is incorrect as it would shift the subject from 'Silvio's family' to a third-person perspective, altering the original meaning. Choice D ('those') is incorrect as it does not appropriately refer back to 'Silvio's family' in a clear and concise manner.

Correct Answer: B

Rationale: The subject 'The nursing staff' is a collective noun that is considered singular. Therefore, the correct verb form to use is 'hopes.' The verb 'hopes' agrees with the singular subject, making the sentence grammatically correct. Choice A ('hope') is incorrect because it is not the correct verb form for a singular subject. Choice C ('hoping') is incorrect as it is a gerund and does not function as the verb in this sentence. Choice D ('does hope') is incorrect as it introduces unnecessary emphasis and does not match the subject-verb agreement required in the sentence.