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14.If the wound    become swollen,do not hesitate to call me.(  )
A.shallB.mustC.shouldD.would

分析 傷口萬一腫脹的話,一定要立即給我打電話.

解答 答案C.
shall用于第二、三人稱的肯定句中表示允諾、警告等強烈的語氣;must"必須,一定";should"(表示語氣較強的假設)萬一,竟然";would指"過去總是,過去習慣于".在本題should表可能性,是"萬一"之意,故用should.故選答案C.

點評 本題考查情態動詞的用法.在掌握情態動詞的基本含義的時候,還要掌握一些情態動詞的特殊含義.如:must表示與說話人愿望相反及不耐煩,含義為偏要、硬要.would+動詞原形表示過去的習慣或某種傾向.shall用于第二人稱和第三人稱表示建議,允諾,命令,威脅等.should表示驚訝時,意思是"竟然",should還有"萬一、竟然"之意.

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