问题描述:
Didn't mother tell you _____ the alarm _____ 5 o'clock?
A.set; for
B.to set; at
C.set;to
D.to set; for
选哪个?为什么?
A.set; for
B.to set; at
C.set;to
D.to set; for
选哪个?为什么?
问题解答:
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