—Don’t you think it necessary that he ______ to Miami but to New York？ —I agree，but the problem is ______ he has refused to. 

——Can I pay the bill by check?——Sorry, sir. But it is the management rule of our hotel that payment ____ be made in cash.

Tom’s boss told Tome that if he worked hard, he _____ have a rise.

—My cat’s really fat.—You _____ have given her so much food.  (浙江2007) 

(2009安徽蚌埠月考) There _____ be any difficulty about passing the road test since you have practiced a lot in the driving school.