题目内容
【题目】It's hard for these poor children to cross the river to school. So a bridge ________ over the river.
A.may buildB.must buildC.may be builtD.should be built
【答案】D
【解析】
略
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题目内容
【题目】It's hard for these poor children to cross the river to school. So a bridge ________ over the river.
A.may buildB.must buildC.may be builtD.should be built
【答案】D
【解析】
略