The secretary ________________ in the conspiracy, but we don’t know whether she actually shot the senator or not. A. has been known to be involved B. is known to have been involved C. will have known to involve D. had been known having involved
1 câu trả lời
The secretary ________________ in the conspiracy, but we don’t know whether she actually shot the senator or not.
A. has been known to be involved
B. is known to have been involved
C. will have known to involve
D. had been known having involved
đáp án A vì nó là câu bi động
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