题目内容

We________on this project for four hours.Let's have a rest.
A．are workingB．have been working
C．workedD．had worked
B
　B　[考查时态。从for four hours以及下文的Let's have a rest.可以看出是谓语动词表示的动作到目前为止已经持续了一段时间并有可能继续下去，所以用现在完成进行时。]
练习册系列答案
相关题目
The changes of the plants and animals in an area ________ from differences in climate and the           nature of the country.
A．riseB．raiseC．arouseD．arise
—What do you think of the meal?
—Although some dishes________with me，it’s really a nice meal.
A．disagree　B．agree
C．offer　D．take
It was the third time this term that the teacher________with the naughty student.
A．had talkedB．have talkedC．talkedD．talk
—We all had a lot of fun at the barbecue yesterday. Pity you weren't there.
—I really should have gone with you but I________on some remaining problems.
A．workedB．was working
C．would workD．would have worked
Let's go out now. It ________ any more.
A．didn't rainB．doesn't rain
C．won't rainD．isn't raining
—Did Tom live here?
—Yes，but he________here now.
A．isn't liveB．hadn't livedC．isn't livingD．will live
Give me an undisturbed hour and I ________ the work Tom has left unfinished.
A．see toB．will see to
C．would be seeing toD．have seen to
Michael knew he would certainly get ______ if he was late home.
A．shouting at B．shouted atC．to shout atD．to be shouted at

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网