—What are _______ teachers doing?

—They are having a meeting.

A. this　　　　　　　　 B. that　　　　　　　　　　 C. those

完形填空
Rick goes to Boston ___1___ a meeting. The meeting is in Prince’s Building on ___2___ Street, and Rick wants to be there on time. However, it is Rick’s first time to visit the city, ___3___  he doesn’t know his way around. When he sees an old couple sitting on a bench, he goes up to ask for ___4___. The couple kindly tell Rick to ___5___ the underground and to get ___6___ at Prince Station. Rick follows their direction, gets off at Prince Station and walks east for two blocks. An hour later, he is disappointed(失望的) to find that he is ___7___  41st Street, not 44th Street. The ___8___  misheard(听错) him and gave him the ___9___  direction. Another hour later, when a policeman takes him back, he sees the old couple again. They are still ___10___ on the bench, right in front of Prince’s Building.

They are having a meeting in the next room, so we must do everything ________.

I’m sorry, Mr. White can’t come. He ________ a meeting.

1. A.
   has
2. B.
   will have
3. C.
   is having
4. D.
   was having

 —I don’t know ______. Can you tell me?   —Yes, at 3 tomorrow afternoon.

A. when we had a meeting                 B. when did we have a meeting

C. when we will have a meeting             D. when will we have a meeting