题目内容
We'll hold a party in celebration of the 90th birthday of the CPC (中国共产党)_________ Friday.
A. in B. on C. at
B解析:
介词的考查。在周几前面应该用介词at.
介词的考查。在周几前面应该用介词at.
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题目内容
We'll hold a party in celebration of the 90th birthday of the CPC (中国共产党)