--Listen! Kate is playing the piano in the next room.  --It _______________be Ka

--Listen! Kate is playing the piano in the next room.  --It _______________be Ka

题型:不详难度:来源:
--Listen! Kate is playing the piano in the next room.
  --It _______________be Kate. She has gone to Hangzhou to visit the Cross-sea Bridge.
A.needn’tB.mustn’tC.can’tD.shalln’t

答案
C
解析
can’t不能;mustn’t不可以;needn’t不必 ;shalln’t不会,根据上下文意思,此处不能是凯特,故选C.
举一反三
—Dad, must I do my homework now?
—No. You_____play games with your friends for a little while.
A.would   B.needn’tC.mayD.don’t have to

题型:不详难度:| 查看答案
--- ______ you give your seat to this old man?
--- Of course.
A.CanB.ShallC.NeedD.Must

题型:不详难度:| 查看答案
—Could you please come to the museum with me this afternoon?
—Sorry,I ________.I have to take a piano lesson at 2 pm.
A.couldn’tB.mustn’tC.can’tD.needn’t

题型:不详难度:| 查看答案
--- May we leave the classroom now?
--- No, you ____________ . You ____________ to leave before the bell rings.
A.mustn’t, are allowed B.don’t have to, are allowed
C.needn’t, aren’t allowed D.can’t, aren’t allowed

题型:不详难度:| 查看答案
We _______ talk loudly when we see the sign “ Be quiet ”on the right.
A.mustB.mustn’tC.needD.needn’t

题型:不详难度:| 查看答案
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