—It’sdifficulttogettotheothersideoftheriver．—Ithinkabri...

问题详情：

—It’s difficult to get to the other side of the river．

—I think a bridge ________ over the river．

A．should be built         B．should build             C．will build                 D．has built

【回答】

A

知识点：动词语态

题型：选择题