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
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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