My parents have promised to come to see me before I _____ for Africa.A.have left

My parents have promised to come to see me before I _____ for Africa.A.have left

题型:不详难度:来源:
My parents have promised to come to see me before I _____ for Africa.
A.have leftB.leaveC.leftD.will leave

答案
B
解析

试题分析:考查时态:句意:我的父母答应在我去非洲前来看我。因为还没有来看我,所以是将来的动作,但是Before引导的时间状语从句,不能用一般将来时,应该是一般现在时代替一般将来时,选B。
举一反三
My last job lacked variety; I __________ the same things all the time.
A.didB.have doneC.was doingD.have been doing

题型:不详难度:| 查看答案
Some modern teaching equipment as well as hundreds of computers ________to ten Hope Schools in South China
A.were sent B.was sentC.have sentD.had been sent

题型:不详难度:| 查看答案
The computers made by our company sell best, but several years ago no one could have imagined the role in the markets that they ________.
A.were playingB.were to playC.had playedD.played

题型:不详难度:| 查看答案
— Did you see the manager in his office?
—Yes, he ______ by the journalist from Chengdu Evening.
A.has been interviewed B.is being interviewed
C.had been interviewedD.was being interviewed

题型:不详难度:| 查看答案
I had wanted to help you last night but I couldn"t spare any time, for I___a composition which I have to hand in this morning.
A.wroteB.was writingC.had writtenD.have written

题型:不详难度:| 查看答案
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