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        1. 【題目】To make your DIY work perfect, you'd better not start ________ you get all the tools ready.

          A.whenB.sinceC.beforeD.after

          【答案】C

          【解析】

          考查從屬連詞詞義辨析。句意為:為了讓你自己的手工制作品完美,你最好不要在準(zhǔn)備好所有工具________開始 when當(dāng)……時;since 自從;before……之前;after ……之后。分析句意并結(jié)合常識可知此處表示"不要在準(zhǔn)備好所有東西之前開始"。故選C。

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