Some aspects of a pilot’s job be boring, and pilots often work at inconvenient hours. A. can; have to B. may; can C. have to; may D. ought to; must 查看更多

 

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Some aspects of a pilot’s job _______ be boring,and pilots often _______ work at inconvenient hours.

A. can; have to B. may; have to?

C. have to; may D. ought to; must?

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Some aspects of a pilot's job        be boring, and pilots often       work at inconvenient hours.

     A. can; have to     B. may; can    C. have to; may     D. ought to; must   

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Some aspects of a pilot's job      be boring, and pilots often      work at inconvenient hours.

A.can ; have toB.may ; can
C.have to; mayD.ought to; must

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Some aspects of a pilot's job      be boring, and pilots often      work at inconvenient hours.

A.can ; have to                           B.may ; can

C.have to; may                           D.ought to; must

 

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Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient hours.

A.can; have to                     B.may; can       C.have to; may       D.ought to; must

 

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