题目内容
They usually have supper ______ 6.20 p.m. ______ the evening.
A. on, at B. at, in
C. in, on D. at, at
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题目内容
They usually have supper ______ 6.20 p.m. ______ the evening.
A. on, at B. at, in
C. in, on D. at, at