题目内容
3. —Must we clean the classroom now?
—No,you needn’t. It after school.
A. may clean B. must clean
C. need be cleaned D. can be cleaned
3.D
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题目内容
3. —Must we clean the classroom now?
—No,you needn’t. It after school.
A. may clean B. must clean
C. need be cleaned D. can be cleaned