问题

It’s great that all the visitors who _______ on the island were saved

A:trapped
B:have been trapped
C:had trapped
D:had been trapped

正确答案是：

同类题型

We must try our best to the river being polluted any more

______my flowers to worry about, I decided to look for a young man to take care of them.[ ]

下列各句中，没有语病的一句是 ( )

Language is changing all the time. Some English words today can mean totally different things to _____ they meant before.

“You” rhymes with “_______”.