题目内容
---What are you going to do _____ Sunday morning?
--- Nothing much.
--- Nothing much.
A./ | B.on | C.in | D.at |
B
介词at用于具体时刻;介词on用于具体的一天;介词in用于一段时期。本句是指Sunday morning,是具体的一天,故用on.
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A./ | B.on | C.in | D.at |