问题

It’s difficult for the village children to cross the river to get to school.— I think a bridge ________ over the river.

A:should be built
B:should build
C:was built
D:has been built

正确答案是：

标签： difficult , river , should

同类题型

Fish can’t live water.[ ]

I want to buy some flowers my teacher. [ ]

I’m going to learn the piano when I retire. —That sounds ______ a good idea. [ ]

Where is Tom? His mother is waiting for __________ outside.

Try again, maybe you will come up with a better idea.