题目内容
(题文)(2012甘肃白银)I think every student should go to school________,but some of them are always late.
A. by the time
B. on time
C. for a time
D. at times
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题目内容
(题文)(2012甘肃白银)I think every student should go to school________,but some of them are always late.
A. by the time
B. on time
C. for a time
D. at times