A.would work | B.had been working |
C.will have worked | D.would have been working |
A.may have acted | B.must have acted | C.should act | D.would act |
A.should study hard | B.should have studied hard |
C.should be studying hard | D.study hard |
A.must | B.shall | C.need | D.can |
A.can | B.will | C.would | D.shall |
A.Will | B.Would | C.Shall | D.Should |
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