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        1. — Sam, you don’t work hard at geography.
          — My dad says that the world is changing every day,        I decide to wait until it stops.

          A.becauseB.while
          C.ifD.so

          D

          解析試題分析:—Sam,你地理方面學(xué)習(xí)不努力!野职终f世界每天都在變化,因此我決定等它停止下來。A. because因?yàn)椋?B. while然而; C. if 如果; D. so因此,所以,根據(jù)句意此題是“因此”,故選D。
          考點(diǎn):考查連詞的用法

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