题目内容
The professor requested that all the students _______ the reports at once.
| A.would hand in | B.hand in | C.handed in | D.handing in |
B
解析
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题目内容
The professor requested that all the students _______ the reports at once.
| A.would hand in | B.hand in | C.handed in | D.handing in |
B
解析