A.ought to be ; how much it cost | B.may be ; how much it costs |
C.must be ; how much it cost | D.can be ; how much doesn""t it cost |
A.Can ; can ; must | B.Must ; need ; can | C.May ; must ; must | D.May ; need ; must |
A.won""t ; can""t | B.mustn""t ; may | C.shouldn""t ; must | D.can""t ; shouldn""t |
A.must | B.need | C.should | D.can |
A.dare not to go | B.don""t dare to | C.don""t dare | D.dare not to |
A.must have studied | B.might study | C.should have studied | D.would study |
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