A.shall | B.could | C.must | D.should |
A.must | B.may | C.should | D.can |
A.must | B.will | C.can | D.may |
A.would | B.should | C.ought | D.minght |
A.not to believe | B.mustn’t believe | C.not believe | D.wouldn’t believe |
A.should water | B.should have watered |
C.you needed to water | D.had to water |
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