— It’s no easy task to catch a ticket on a website that receives 1 billion click

— It’s no easy task to catch a ticket on a website that receives 1 billion click

题型:不详难度:来源:
— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.
—I can’t agree with you more.There ________ be errors for every single step.
A.shouldB.must
C.willD.can

答案
D
解析

此处表示“有时会”这个意思,用can可以表示理论上会发生的事,用于肯定句中。此句意为:每一步都可能存在错误。should应该,竟然;must肯定,必须;will将要,均不符合句意。
举一反三
Alex changed his mind at the last minute,otherwise we ________ an agreement.
A.should have reachedB.could have reached
C.can reachD.should reach

题型:不详难度:| 查看答案
—________ you leave your room in such a mess?
—Sorry,Mum.I forgot to tidy it up.
A.MustB.Can
C.ShouldD.Will

题型:不详难度:| 查看答案
It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.                                                  (2013·安徽,34)
A.mayB.couldn’t
C.shouldD.needn’t

题型:不详难度:| 查看答案
—Why are your eyes so red?You________have slept well last night.
—Yeah,I stayed up late writing a report.                          (2013·四川,5)
A.can’tB.mustn’t
C.needn’t D.won’t

题型:不详难度:| 查看答案
Since nobody gave him any help,he ________ have done the research on his own.
(2013·大纲全国,26)
A.canB.must
C.wouldD.need

题型:不详难度:| 查看答案
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