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题型：单选题题类：难易度：普通

人教版（PEP）六年级下册Unit 4 Then and now Part A Let's learn&Find the mistake学习任务单

There ____ no water in the river before.

A、is B、was C、were

举一反三

—How was your weekend?

一It{#blank#}1{#/blank#}great. I{#blank#}2{#/blank#}

There some buildings in my school now, but there some trees there 5 years ago.

There are{#blank#}1{#/blank#}students in our class, twenty boys and twenty girls．

There{#blank#}1{#/blank#}(be) some money in the bag.

写出下列动词的原形或过去式

他以前在办公室工作。

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