______all the homework assigned by the school the students have to work at it
题型：不详难度：来源：
______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 |
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答案
| B |
解析
试题分析：句意：为了完成学校布置的全部的家庭作业，学生们不得不学习到了午夜。表示目的，为了……，故用不定式，且与谓语动词表示的动作没有时间的先后顺序，故用不定式的一般式，选B。 |
举一反三
----Did the reference give the information you needed?
----Yes, but it, I had to read it entirely. | A．to find | B．having found | C．finding | D．find |
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The music, ____________ pleasant, was soon well received when it was taken to the stage.| A．sounded | B．being sounded | C．sounding | D．having sounded |
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.______ to computer games, he had no time to go over his lessons. As a result, he failed in all subjects.| A．Addicting | B．Being addicted | C．Having addicted | D．Addicted |
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The money he has contributed in the past years to ______ the disabled is now considered to be of great value.| A．help | B．helping, | C．having helped | D．being helped |
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To complete the project as planned, the workers were busy working all day, only ______ a short rest once in a while.| A．to take | B．to have taken | C．having taken | D．taking |
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