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科目： 來源：不詳 題型：單選題

Some aspects of a pilot’s job _______ be boring,and pilots often _______ work at inconvenient hours.
A．can; have toB．may; have to?
C．have to; mayD．ought to; must?

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科目： 來源：不詳 題型：單選題

He _______ more visits to his parents.He has been regretting not doing so since they passed away.
A．should pay?
B．would pay?
C．should have paid?
D．would have paid?

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科目： 來源：不詳 題型：單選題

He must have been late for the conference yesterday, _______?
A．didn’t heB．hasn’t he
C．mustn’t heD．wasn’t he?

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科目： 來源：不詳 題型：單選題

He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.
A．shouldB．must?
C．wouldn’tD．can’t?

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科目： 來源：不詳 題型：單選題

—Can we ski on this mountain??
—Of course.However, at no time _______ you do so alone.?
A．couldB．might
C．needD．must?

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科目： 來源：不詳 題型：單選題

—May I smoke here??
—If you _______, choose a seat in the smoking section.?
A．shouldB．could?
C．mayD．must?

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科目： 來源：不詳 題型：單選題

—Are you coming to Alice’s party??
—I’m not sure.I _______ go to the concert instead.
A．mustB．would　?
C．shouldD．might?

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科目： 來源：不詳 題型：單選題

Mr Bush is on time for everything. How _______ it be that he was late for the opening ceremony?
A．canB．should?
C．mayD．must?

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科目： 來源：不詳 題型：單選題

—I didn’t go to work yesterday because my car broke down.?
—You _______ mine.I wasn’t using it then.?
A．might borrow
B．could have borrowed　?
C．must have borrowed?
D．ought to borrow?

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科目： 來源：不詳 題型：單選題

A left-luggage office is a place where bags _______ be left for a short time, especially at a railway station.
A．shouldB．can?
C．mustD．will?

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