问题

We are worried about Tom. Why hasn’t he come back?—Don’t worry. He ______ in a traffic jam.

A:might be caught
B:may have been caught
C:can have been caught
D:should have been caught

正确答案是：

同类题型

下列句子中，没有语病的一项是（）

Eddie hase-dogat home．—Oh,really

All the classes in this school _________ 60 students though they are of different ages。

name is Bob, is eleven years old.

Did you hear the news about the fire in our building— Yes. It took the firemen two hours to_______ the fire.