题目内容
I will visit him ________ four o'clock ________ Saturday afternoon.
[ ]
A.at; on
B.at; in
C.on; at
D.in; on
答案:A
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题目内容
I will visit him ________ four o'clock ________ Saturday afternoon.
A.at; on
B.at; in
C.on; at
D.in; on