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文档摘要

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国开高级英语（3）终结性考核

1.She______abookaboutChinesehistorywhenIsawherinthelibrary.C

A.reads

B.read

C.wasreading

D.hasread

2.Ifit______tomorrow,wewillcancelthepicnic.A

A.rains

B.willrain

C.rained

D.israining

3.It’shightimethatwe______actiontoprotecttheenvironment.B

A.take

B