2. 外语
  3. It is necessary that an efficient worker _______ his work on time.

It is necessary that an efficient worker _______ his work on time.

admin2009-02-10  45
问题 It is necessary that an efficient worker _______ his work on time.
选项 A、accomplishes
B、can accomplish
C、accomplish
D、has accomplished
答案C
解析 主语从句中使用的虚拟语气可用来表示要求，建议，提议，命令，意愿等。形式为：It is +要求引起虚拟的形容词或过去分词+主语从句。这种主语从句中的谓语，美国人要求用动词原型，而英国人要求用should + 动词。因此此处形容词 necessary要求引起虚拟，选择答案C。
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