2. 外语
  3. It is most desirable that he ______ for the information by himself with a few clicks online.

It is most desirable that he ______ for the information by himself with a few clicks online.

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问题 It is most desirable that he ______ for the information by himself with a few clicks online.
选项 A、search
B、searched
C、has searched
D、will search
答案A
解析 本题考查虚拟语气。本题考查虚拟语气在主语从句中的用法。在advisable，appropriate，desirable，essential，important，impossible，necessary，proper等形容词之后的that-分句中要使用be型虚拟。也就是说，在这样的分句中，谓语动词要使用should+动词原形的形式，其中should可以省略。其一般形式为：It is/was+引起虚拟语气的词+that从句。例如：It is necessary that he back without delay．(他应毫不耽搁地马上回来，这很必要。)
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