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        1. I don’t know ______ he will come tomorrow. ______ he comes , I’ll tell you.

          A.if ; Whether B.whether; Whether
          C.if ; That D.if ; If

          D

          解析試題分析:句意:我不知道是否他明天回來,如果他來了我將告訴你。if引導(dǎo)賓語(yǔ)從句翻譯為是否,if引導(dǎo)條件狀語(yǔ)從句翻譯為如果。whether是否,只能引導(dǎo)賓語(yǔ)從句。根據(jù)句意,故選D。
          考點(diǎn):考查連接詞的用法

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