Professor James will give up a lecture on the Western culture,but when and where

Professor James will give up a lecture on the Western culture,but when and where

题型:不详难度:来源:
Professor James will give up a lecture on the Western culture,but when and where _______ yet.
A.hasn’t been decidedB.haven’t decided
C.isn’t being decidedD.aren’t decided

答案
A
解析
现在完成时表示已经完成动作或从过去某个时候开始一直延续到现在的动作。根据时间状语yet可判断出要用现在完成时。因为when and where作decide的逻辑宾语,所以要用现在完成时的被动语态,表示“什么时候和地点还没有确定”。现在进行时表示说话时正在进行的动作或事件。
举一反三
The play had already been on for quite some time when we _______ at the New Theatre.
A.have arrivedB.arrived
C.had arrivedD.arrive

题型:不详难度:| 查看答案
When you get the paper back,pay special attention to what______.
A.have marked
B.have been marked
C.had marked
D.had been marked

题型:不详难度:| 查看答案
—Did you see a man in black pass by just now?
—No,sir.I___a newspaper.
A.readB.was reading
C.would readD.am reading

题型:不详难度:| 查看答案
If the weather had been better, we could have had a picnic. But it ____ all day.
A.rainedB.rainsC.has rainedD.is raining

题型:不详难度:| 查看答案
If their marketing plans succeed, they ____ their sales by 20 percent.
A.will increaseB.have been increasingC.have increasedD.would be increasing

题型:不详难度:| 查看答案
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.