题目内容
8. You ought to ________ ( come) last week if you were really serious about your work.
8. have come ought to have done表示"本该做.. 却没做"。
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题目内容
8. You ought to ________ ( come) last week if you were really serious about your work.
8. have come ought to have done表示"本该做.. 却没做"。