问题
选择题
They go to bed ______ 9:40 ______ Sunday evening. [ ]
A. in, at
B. on, in
C. at, on
D. from, on
答案
答案：C
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They go to bed ______ 9:40 ______ Sunday evening. [ ]
A. in, at
B. on, in
C. at, on
D. from, on
答案：C
