—Shall I help clean the kitchen, Mum?—Thank you.But you ________ it because I ca

—Shall I help clean the kitchen, Mum?—Thank you.But you ________ it because I ca

题型:不详难度:来源:
—Shall I help clean the kitchen, Mum?
—Thank you.But you ________ it because I can do it myself.
A.mustn"t have doneB.wouldn"t have done
C.mightn"t have doneD.haven"t got to do

答案
D
解析
D [根据上下文判断,说的是客观事实,现在没有必要做。]
举一反三
—Did you pass the driving test?
—No.I ________ it,but I had little time practising.
A.could have passedB.must have passed
C.can"t have passedD.shouldn"t have passed

题型:不详难度:| 查看答案
________ the present unemployment continue, the society would face a more
troublesome situation.
A.WouldB.Should
C.MightD.Could

题型:不详难度:| 查看答案
The scientists recommend that studies ________ to find out what side effects the medicine might cause.
A.be doneB.should do
C.will be doneD.are done

题型:不详难度:| 查看答案
If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door.
A.could spreadB.should have spread
C.would spread D.might have spread

题型:不详难度:| 查看答案
Mary is ill today. If she _____, she ____ here at school
A.were not ill;would be
B.had been ill;wouldn"t have been
C.were ill;should have been
D.hadn"t been ill;could be

题型:不详难度:| 查看答案
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