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Modals of Certainty

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  • The tiger's gums and teeth look very bad. He...............have a toothache. A. must B. can't
    A. must
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  • That animal is eating meat. It........be a herbivore. A. must B. can't
    B can't
  •  15
  • He is crying. He...........be very sad. A. must B. can't
    A. must
  •  15
  • Beavers can gnaw through wood. Their teeth.................be very sharp. A .must B. can't
    A. must
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  • A snake's venom...............very strong because it can kill a person. A. must B. can't
    A. must
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  • I see snow in the picture. It ................ be summer. A. must B. can't
    B can't
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  • This animal has no legs. It...............be a snake. A. must B. can't
    A. must
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  • This animal has a shell. It.............. a turtle. A. might B. can't
    A. might
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  • This animal has black and white stripe. It.................be a zebra. A. can't B. must
    B must
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  • This animal has a long neck. It..............an ostrich. A. can't B. might
    A. might
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  • Jack went out in the snow without his coat. He..........very cold. A. can't B. has to
    B. has to
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  • Suki won the competition. He.................very happy. A. must B. can't
    A. must
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  • You stayed up very late last night. You......be tired. A. can't B. must
    B. must
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  • This letter has someone else 's name on it. It...............be for me. A. can't B. must
    A. can't
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  • You didn't have any breakfast this morning. You...........very hungry A. must B. can't
    A. must
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  • It's still dark. It ...............be time to get up yet. A. must B. can't
    B. can't
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