问题
We have been acquainted __________each other for a long time.[ ]
A:over
B: for
C: by
D: with
B: for
C: by
D: with
正确答案是：
同类题型
I don’t know if it ________ tomorrow. If it _________ , we won’t go hiking.
Lily, ______do you study for a math test—By asking my teacher for help.
Do you know if Daniel fishing tomorrow afternoon— I’m not sure. But if he go, I won’t go, either.
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