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题型：单选题题类：模拟题难易度：普通

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

举一反三

—It's difficult for the village children to cross the river for school.

—I think a bridge over the river.

We can't do this in a short time. (用被动语态改写)

你不应该在动物园里喂动物。

Animals {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} by you in the zoo.

Over one hundred years later, the menu from the Titanic could{#blank#}1{#/blank#}(sell)for about$120, 000.

Dangerous objects must be {#blank#}1{#/blank#} (hide) from children.

When a building is destroyed, some parts, like doors and windows, can {#blank#}1{#/blank#}(repair).

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