—What happened?
—Well, the wind _____ the door open. I' ve already closed it.

I became a teacher in 1993. I _______ for 13 years by next summer.

.—Have you finished your composition already, Jack?
—Yes, I ____ it within half an hour.

No conclusion _______ about whether to tear down the old buildings for a theme park until several discussions have been made．

In recent years many football clubs ______ as business to make a profit.

Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight again H1N1, so we only had time for a few words.

—We     to put off our school sports meet until next month.
—I     that.

I didn’t get into the two-hour quarrel; I know how it _________, though.

.— Sorry, I _______ to buy the book you need for you.
— Never mind. _______ it myself after school.

—Good morning. Doctor Brown’s office.
—Hello, this is Tom Smith. Could you please tell Doctor Brown I ____? My car____ start.
A.was delayed，doesn’t                       B. will be delayed, won’t
C. am delayed, didn’t                           D would delay, mustn’t