问题

The terrible accident is under investigation.—Actually, quicker action _____ those workers trapped in the mine.

A:might have saved
B:must have saved
C:need have saved
D:could have saved

正确答案是：

同类题型

There is something wrong with my watch, will you ___ ? —Let e see.

It is one thing to enjoylistening to good music, but it is____ another to play itwell yourself[ ]

Let’s _______ a talk about learning Chinese .

lived in the town for quite a fewyears, I no longer felt ______ among the local people.

下列各句中，没有语病的一项是（）