阅读短文，选择正确答案。
Many people are waiting for the bus. Some are reading newspapers and some are saying goodbye to their
friends.
Mr. Li, Mr. Cao and Mr. Ma are talking so happily that they don't know the bus is going to leave. The
guard (乘警) says to them, " Hurry up! The bus is going to leave." The three men hear the guard. Two of them
jump onto the bus quickly before it moves. Mr. Li is left behind. He looks very sad. The guard says to him,
" Don't feel sad. The next bus will come in fifteen minutes." " I know, " Mr. Li says. " It is my bus. My friends
only come to say goodbye to me."
1. The people at the bus stop are _______________.
A. reading newspapers
B. saying goodbye to their friends
C. both A and B
D. getting off the bus
2. The bus is going to leave, but Mr. Li and his friends _______________.
A. are talking happily
B. are going to the bus stop
C. are getting on the bus
D. are saying goodbye
3. There is a bus _______________.
A. every ten minutes
B. every fifteen minutes
C. every thirty minutes
D. every forty minutes
