A.should go | B.must have gone | C.should leave | D.should have left |
A.May | B.Must | C.Can | D.Shall |
A.needn’t | B.may not | C.mustn’t | D.will not |
A.can | B.should | C.would | D.must |
A.may | B.can | C.must | D.should |
A.can"t | B.mustn"t | C.shan"t | D.needn"t |
© 2017-2019 超级试练试题库,All Rights Reserved.