They have got lost, or had an accident.A. canB. mightC. mustD. mustn’t
They have got lost, or had an accident.A. canB. mightC. mustD. mustn’t
发布时间:2020-08-17 06:38:09
They have got lost, or had an accident. A. can B. might C. must D. mustn’t
网友回答
A. can (答案→)B. might C. must D. mustn’t 解析:考查情态动词:句意:他们可能迷路了,也可能出事了。Might have done过去可能做了,can用于推测,一般是否定和疑问句中,must have done过去一定做了,mustn’t不能和have done连用,选B。