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题型：单选题题类：常考题难易度：普通

牛津译林版九年级下册Unit4Life on Mars单元测试

I don't know ____ she studies hard or not. ___________she does, she will get good marks.

A、if; If B、whether; Whether C、whether; If D、if; Whether

举一反三

If Nancy ________ the exam, she will go to Australia for English study.

Mary will tell him the news as soon as she {#blank#}1{#/blank#} (see) him.

—I want to know if Tom tomorrow.

—I will tell you if he .

They will have to close the theatre_______ they can find some more money

—I don't know if it tomorrow.

—Well, if it , the school sports meeting will be cancelled.

If a basin of water is left outside in freezing weather, it {#blank#}1{#/blank#}. (turn into ice)

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