摘要： It is on 1st Sept. students go back to school every year. A. when B. that C. who D. what
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It is on 1st Sept. _____ students go back to school every year.
[ ]
A. when
B. that
C. who
D. what
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B. that
C. who
D. what
It is on 1st Sept. ___students go back to school every year.
A. when B. that C. who D. what
查看习题详情和答案>>