1 . The taxi ____ only hold six passengers. It is full. You____ take the next one.
A.may...may | B.can...may |
C.may...can | D.must...can |
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2010高一·全国·专题练习
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2 . Helen________ go on the trip with us, but she isn’t quite sure yet.
A.shall | B.may | C.must | D.can |
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