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        1. ---- I ___________ Tom for three days. Is he ill?
          ---- I’m afraid so. The doctor said he needed ______________.

          A.haven’t seen; to be operated B.haven’t seen; to be operated on
          C.didn’t see; operating D.haven’t see; operating

          B

          解析試題分析:句意:我已經(jīng)三天不見湯姆了。他病了嗎?——恐怕如此。醫(yī)生說他需要一個手術。結合語境可知上文描述的是現(xiàn)在已經(jīng)完成的動作,故用現(xiàn)在完成時態(tài)。下文主語是動作對象,故用被動語態(tài)。Operate不能直接接賓語,需加介詞on,故選B。
          考點:考查時態(tài)及動詞。

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