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When shopping, keep your eyes ______for those energy-saving machines.


  1. A.
    opened
  2. B.
    open
  3. C.
    to open
  4. D.
    to be open
B
试题分析:当购物时,睁大你的眼睛看看这些节能机器。Open是瞬间动词,不能表示持续性动作,故本句中open用作形容词开着的,做宾语补足语,选B。
考点:词性辨析
点评:英语单词的一个特点就是一词多义,一词多性,即一个单词可以有多个不同词性的用法。因此我们首先要详细了解这些单词作为不同词性的含义及用法,尤其注意其比较特殊的用法,然后结合语境选择正确答案。
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