16. —Who____ it be that is knocking at the door?   —It ____ be Father, but I’m n

16. —Who____ it be that is knocking at the door?   —It ____ be Father, but I’m n

题型:不详难度:来源:

16. —Who____ it be that is knocking at the door?  
—It ____ be Father, but I’m not sure.  
A.can; mustB.can; mayC.must; canD.may; must

答案
B
解析

举一反三

18.When we were young, every evening we ____ stay at home waiting for our mother.
A.would B.mightC.shouldD.could

题型:不详难度:| 查看答案

35.—Oh,I just realized that I don’t have any money.
—You don’t?Well,don’t worry,I________lend you some.
A.willB.shouldC.am going toD.am to

题型:不详难度:| 查看答案

24.It is a rule in our school that no books______out unless you have a library card.
A.must be takenB.might takeC.can be taken D.should be taken

题型:不详难度:| 查看答案

35.You have broken your promise;you______painting the house long ago.
A.could have finishedB.had better finish
C.must have finished D.should have finished

题型:不详难度:| 查看答案

32.How_________I help them to understand when they won’t listen to me?
A.canB.wouldC.mayD.Must

题型:不详难度:| 查看答案
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