A.must have worked | B.should have worked | C.may have worked | D.should work |
A.am going to call | B.will call | C.call | D.am to call |
A.can’t | B.mustn’t | C.shouldn’t | D.may not |
A.mustn’t | B.can’t | C.shouldn’t | D.may not |
A.must have rained | B.may have rained |
C.must rain | D.might rain |
A.can | B.must | C.may | D.should |
© 2017-2019 超级试练试题库,All Rights Reserved.