题目内容

I believe that those mountains ________ trees in a few years’ time.


  1. A.
    are covered with
  2. B.
    will be covered with
  3. C.
    are covering by
  4. D.
    will cover by
B
in a few years’time是表示将来的时间状语,in意指“在……以后”,故句中谓语需用将来时态。宾语从句中的主语those mountains是动作的承受者,它不能发出cover这一动作,可见宾语从句中的谓语动词需用一般将来时的被动语态,且cover后面常与介词with连用。
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