题目内容
The library's study room is full of students _______ for the exam.
A.busily prepared | B.busy preparing | C.busyly prepare | D.are busily preparing |
B
解析
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题目内容
The library's study room is full of students _______ for the exam.
A.busily prepared | B.busy preparing | C.busyly prepare | D.are busily preparing |
B
解析
|