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        1. 【題目】In order to find the missing child, villagers _________ all they can over the past five hours.

          A. did B. do

          C. had done D. have done

          【答案】D

          【解析】

          考查時(shí)態(tài)。

          句意:為了找到那個(gè)失蹤的孩子,在過(guò)去的5個(gè)小時(shí)中,村民們已經(jīng)做了所有他們能做的。句中they can是定語(yǔ)從句,修飾先行詞all,在從句中省略了can后面的do(因?yàn)橹骶渲^語(yǔ)動(dòng)詞是實(shí)意動(dòng)詞do),根據(jù)句中時(shí)間狀語(yǔ)over the past five hours可知用現(xiàn)在完成時(shí)。故選D。

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