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What is the correct preposition to complete the sentence?
A tuberculin skin test should be read within 24 hours __________ administration.
- A. of
- B. since
- C. as
- D. from
Correct Answer: A
Rationale: The correct preposition to use in this context is 'of.' The sentence structure requires 'of' to indicate the specific time frame (24 hours) in relation to the action (administration). Therefore, the sentence should read: 'A tuberculin skin test should be read within 24 hrs of administration.' This preposition correctly links the time frame to the action being performed.
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Everyone thought that was the ........................ test of the whole course.
- A. Most easy
- B. Easiest
- C. Easy
- D. Most easy
Correct Answer: B
Rationale: In this sentence, the superlative form 'easiest' should be used to compare the test to all other tests in the course. 'Most easiest' is incorrect because 'easiest' already implies the highest degree of ease. 'Easy' is incorrect as it is not a comparative form. 'Most easy' is also incorrect as it does not convey the comparison needed in the context. Therefore, the correct answer is 'Easiest.'
A) Mr. John Ryan
B) 1600 Pennsylvania Ave
C) Washington, DC
D) 2003
Place these lines for an address in the correct order.
- A. A, B, D, C
- B. A, C, B, D
- C. B, A, D, C
- D. C, B, A, D
Correct Answer: A
Rationale: The correct order for a standard address is as follows: the recipient's name, street address, apartment or suite number (if applicable), city, state, and ZIP code. In this case:
A) Mr. John Ryan - This is the name of the recipient and should come first.
B) 1600 Pennsylvania Ave - This line provides the street address and follows the recipient's name.
D) 2003 - This represents the apartment or suite number, which is typically placed after the street address.
C) Washington, DC - Finally, the city and state should come last.
Thus, the correct order is A, B, D, C (Mr. John Ryan, 1600 Pennsylvania Ave, 2003, Washington, DC), which follows the conventional structure of an address. Options B, C, and D do not correctly adhere to this standard format.
Select the word or phrase that makes this sentence grammatically correct: ........... picking up groceries one of the things you are supposed to do?
- A. is
- B. am
- C. is it
- D. are
Correct Answer: A
Rationale: The correct answer is 'A: is.' In this sentence, the subject is 'picking up groceries,' which is singular. Therefore, the verb 'is' should agree with the singular subject. The correct structure is 'Is picking up groceries one of the things you are supposed to do?'
Select the correct word(s) to make the sentence grammatically correct. Two students ___ their professor about the possibility of obtaining a different grade in class.
- A. asking
- B. has asked
- C. was asking
- D. had asked
Correct Answer: D
Rationale: The correct answer is D: "had asked." This is because the sentence indicates a past action that occurred before another past action. "Had asked" is in the past perfect tense, indicating that the students asked their professor before another event in the past. The other choices (A, B, C) are in present or past simple tenses, which do not convey the sequence of events correctly. Choice A "asking" is present tense, which does not fit with the past context. Choice B "has asked" is present perfect tense, indicating an action that started in the past and has relevance to the present, which is not the intended meaning. Choice C "was asking" is past continuous tense, suggesting ongoing action in the past, which is not suitable for the context of the sentence.
Select the word or phrase that makes this sentence grammatically correct: The dog began to scratch behind the ear.
- A. themself
- B. itself
- C. their
- D. it
Correct Answer: B
Rationale: In this sentence, 'dog' is a singular subject, so the correct reflexive pronoun to use is 'itself' to refer back to the dog. The word 'itself' is the appropriate choice to make the sentence grammatically correct by indicating that the dog is scratching behind its own ear.