摘要： This problem is said three times. A. to have been discussed B. to have discussed C. having been discussed D. to have been talked about [解析]选A.此处使用的是不定式的完成被动式. 表示“曾经被讨论过三次 .
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This problem is said _____ three times.
A. to have been talked B. to have discussed
C. having been discussed D. to have been talked about
查看习题详情和答案>>This problem is said _____ three times.
[ ]
A. to have been talked
B. to have discussed
C. having been discussed
D. to have been talked about
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B. to have discussed
C. having been discussed
D. to have been talked about
This problem is said _____ three times at the meeting. However, they haven’t arrived at a conclusion now.
A. to have discussed B. to have been discussed
having
been discussed D. having discussed
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This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.
|
A．to have discussed |
B．to have been discussed |
|
C．having been discussed |
D．having discussed |
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having been discussed D. having discussed