问题
选择题
I go to bed _________ ten _________ Saturday evenings.[ ]
A. at; in
B. at; on
C. on; in
D. in; on
答案
答案：B
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I go to bed _________ ten _________ Saturday evenings.[ ]
A. at; in
B. at; on
C. on; in
D. in; on
答案：B