题目内容
---- How did you know the surprising news?????????????????
?? ---- I happened ____ the event then.
A. to cover????? B. to be covering???? C. covering?? D. to have covered?
【答案】
B
【解析】
试题分析:句意:--你怎么知道这个令人惊讶的消息的?--当时我碰巧在采访这个事件。Happen 后面一般接to do“碰巧要做”,因为当时正在采访,所以用happen to be doing碰巧正在做,选B。
考点:考查不定式的进行时
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