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Many teachers don’t want their students to ________ doing too much homework.


  1. A.
    keep busy
  2. B.
    be kept busy
  3. C.
    keep busying
  4. D.
    be kept busying
B
keep的宾语是their students,它们之间存在被动关系,busy为形容词作补足语。事实上,该句是keep sb.busy doing sth.的被动结构。
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Members of the network include the National Trust, RSPB, Play England and the NHS sustainable development unit.

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From January, the network will aim to make suggestions to politicians on how government can do more to get children muddy and bright-eyed.

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