题目内容
-----They used to be good friends, but now they are like strangers.
----- How _____ this ______?
- A.were; come about
- B.did; come about
- C.were; taken place
- D.were; happened
B
come about, take place, happen都是发生的意思,均无被动语态。
come about, take place, happen都是发生的意思,均无被动语态。
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