题目内容
— Do you know when the teacher ______ back tomorrow?
— Sorry, I don't know. If he ______ back, I will tell you at once.
— Sorry, I don't know. If he ______ back, I will tell you at once.
[ ]
A. comes; comes
B. comes; will come
C. will come; comes
D. will come; will come
B. comes; will come
C. will come; comes
D. will come; will come
C
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