--It’sdifficultforthevillagechildrentocrosstheriverfors...
来源：语文精选馆 1.29W
问题详情：
--It’s difficult for the village children to cross the river for school.
--I think a bridge _______ over the river.
A. should be built B. is being built C. has been built D. was built
【回答】
A
知识点：动词语态
题型：选择题
