题目内容
--- 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 |
A解析:
由题意判断是桥还没建起来。B C D 的意思是 建起来了 A 应该被建,但还没建
由题意判断是桥还没建起来。B C D 的意思是 建起来了 A 应该被建,但还没建
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