题目内容
【题目】Why are you still working on this project? It’s 4 o’clock in the afternoon and you’re supposed _____ it by noon.
to finish
to be finishing
to have finished
to have been finishing
【答案】C
【解析】考查非谓语动词。be supposed后跟动词不定式,根据题干意思,此处不定式需表示一个已经完成的动作,故用其完成式。
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目