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13.Be careful when you cross this busy street._____,you may get run over by a car.( 。
A.If notB.If soC.If anyD.if possible

分析 當你穿過繁忙的街道時要當心.要不,你可能會被車撞倒.

解答 答案:A 考查省略句.根據(jù)前文"要當心",及下文"被車撞倒",應是"要不,不然",if not意為"要不,不然",故選A.if so如果是這樣的話;if any若有的話;if possible如有可能.

點評 解答此類問題,要弄清楚省略的部分是單詞,短語還是句子,熟悉一些常用的省略表達,然后根據(jù)題意和上下文選擇最合適的答案.

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