---- __________ 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.

Mary is so wet. She _______ in the rain.

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

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.