He _____ have finished his work; otherwise, he wouldn’t be enjoying himself by the seaside.

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

It is my suggestion that the English program _____after supper.

--- Is there a bus to the downtown? -----There ____ be, for it is too late now. You’d better take a taxi.

I can’t believe that anyone else in the school can swim as fast as you, ________?

 You _______ an A on your term paper, but you quoted a little bit more from others' papers.

—Hi, Johnson, any idea where Susan is?  —It’s class time, so she          in the classroom now.

 —Did you tell Rose about the test? —Oh, no, I forgot. I          call her now.

 ---- __________ you say goodbye so soon? ---- I’m sorry. My mother is expecting me at home. 

 --What kind of apartment do you want to rent? A large one, Mr. Smith? --Er, it ________ be a large one, as my family is not large.

—Sorry indeed. I______ to your birthday party if …—Forget it. I know  you were out on business.

— “May I speak to your manager Mr. Williams at five o’clock tonight?”— “I’m sorry. Mr Williams ________ to a conference by then.”

—How did you do on the test?—Not so well. I ______much better, but I misread the directions for Part One.

Being examined twice a year，whether it is a car or a bus or a truck，is the rule that every driver _______obey in this city.

We ________ such great achievements without your efforts. Thanks a lot.

I_______  such a foolish mistake if I had been a little more careful.

-Is Jack on duty today?-It ____ be him. It’s his turn tomorrow.

If it ______ tomorrow, our picnic _______ to be put off. 

You       very fast if you went from New York to Boston in six hours.

It was desired that the project ______ before the end of this month.