作业帮英语选择.说明原因说明原因._______the office,the foreign visitors were sh
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英语选择.说明原因
说明原因
._______the office,the foreign visitors were shown round the teaching building.
A.Having shown B.Showing C.Has shown D.Having been shown
.The library's study room is full of students _________for the exam.
A.busily prepared B.busy preparing\x0b C.busyly prepare
D.are busily preparing full
说明原因
._______the office,the foreign visitors were shown round the teaching building.
A.Having shown B.Showing C.Has shown D.Having been shown
.The library's study room is full of students _________for the exam.
A.busily prepared B.busy preparing\x0b C.busyly prepare
D.are busily preparing full
D ,第一题有先后顺序,所以要加Having
A （which are）busy preparing
A （which are）busy preparing