问题
选择题
单项选择。
Go to bed about 10:00 the evening. [ ]
A. in on
B. on at
C. in at
D. at in
答案
答案：D
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单项选择。
Go to bed about 10:00 the evening. [ ]
A. in on
B. on at
C. in at
D. at in
答案：D