题目内容
35.—Why didn't you remind him of the possible danger?
—But what ____ otherwise? He never listens to me.
| A.could I do | B.could I have done | C.should I do | D.must I have done |
B
略
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题目内容
| A.could I do | B.could I have done | C.should I do | D.must I have done |