—May we leave classroom now?—No, you        . You        to leave until the bell

—May we leave classroom now?—No, you        . You        to leave until the bell

题型:不详难度:来源:
—May we leave classroom now?
—No, you        . You        to leave until the bell rings.
A.mustn’t, are allowedB.don’t have to, are supposed
C.needn’t, aren’t allowedD.can’t, aren’t supposed

答案
D
解析
...until...是“直到”的意思,表示某一种行为一直持续到某一时间;...not...until是“直到...才”表示直到某一时间,某一行为才发生,而在之前该行为并没有发生.如: I studied English until 9 o’clock last night. 我咋晚学英语一直学到9点钟(表示9点前一直在学) 。I did not study Englis until 9 o’clock last night. 我咋晚直到9点钟才学英语(表示9点才开始学);needn’t:不必;can’t:不能。根据句意,应是“你不能离开,直到铃响才能离开”故选D。
举一反三
—Jack, your hair is too long!
—Really? I’ll have it _____ right now. 
A.cutsB.cuttingC.to cutD.cut

题型:不详难度:| 查看答案
What’s the language                  in Canada?
A.speakingB.spokenC.is spokenD.to speak

题型:不详难度:| 查看答案
Don’t stand up until you ____________.
A.tell toB.are toldC.are told toD.are told to do

题型:不详难度:| 查看答案
The words that we should pay attention to ___________ on the blackboard.
A.being writtenB.are writtenC.is writingD.writing

题型:不详难度:| 查看答案
Sir, you should ________ at the red light, but you didn’t.
A.stopB.have to stop
C.have stoppedD.not have stopped

题型:不详难度:| 查看答案
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