题目内容
It is required that the students _____ mobile phones in our school, so seldom _____ them using one.
[ ]
A. can't use; will you see
B. not use; will you see
C. mustn't use; will you see
D. shouldn't use; you will see
B. not use; will you see
C. mustn't use; will you see
D. shouldn't use; you will see
B
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