(2013·成都一模)________ all the homework assigned by the school, the students have to work at it till mi

题目简介

(2013·成都一模)________ all the homework assigned by the school, the students have to work at it till mi

题目详情

(2013·成都一模)________ all the homework assigned by the school, the students have to work at it till midnight.
A.Completing B.To complete
C.Having completed D.To have completed
题型:单选题难度:中档来源:不详

答案

B
选B 考查非谓语动词。此处为目的状语, 因此使用不定式,排除A和C,而且不强调完成,因此使用不定式的一般式,故选B。

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