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
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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