–It’sdifficultforthevillagechi-优题课

题文

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

A．was built

B．should be built

C．has been built

D．is being built

科目英语题型单选题难度较难

知识点：情态动词的被动语态语态的辨析

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