(每日一练)人教版 2022 年高中英语情态动词解题方法技巧


单选题

1、He________ it all by himself for there was no one else in the house to turn to for help.

A．must be doingB．should be doing

C．must have doneD．should have done

答案：C

解析：

考查情态动词辨析。句意：他一定是一个人做的，因为家里没有其他人可以求助。根据“for there was no one
else in the house to turn to for help”可知，此处是表示对过去的肯定的猜测，所以应用 must have done。故选 C。

2、There was no sign of a break-in, so the thieves ________ someone on the inside helping them.

A．might haveB．should have hadC．could haveD．must ha ...