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19.A lot of tents,drinking water and food __________ to the homeless earthquake survivors in the past several weeks.(  )
A.are sentB.were sentC.have been sentD.had been sent

分析 在過去的幾周里,大量的帳篷,飲用水和食物已經被送給了那些在地震中無家可歸的幸存者.

解答 答案:C.根據主語A lot of tents,drinking water and food 和謂語動詞send的含義可以看出它們之間是被動關系,又根據時間狀語 in the past several weeks可以知道應該用現在完成時態,所以選擇C.

點評 考查現在完成時被動語態.
現在完成時被動語態強調一個發生在過去的被動性動作,它有兩層意思:1)動作已經完成,強調對現在造成的影響或結果:2)主語與謂語動詞之間為被動關系.

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