One an American was in Africa. He wanted to go to a small village in the hills . He got on a bus and the driver said , ‘‘The yellow ticket( 票) is one dollar. I have two other tickets. The red one is fifty cents, and the green , ten cents’’
“A green one , please,” said the man.
The bus started to got up a hill. Suddenly it stopped. “Red ticket passengers,( 乘客) get out and walk. Green ticket passenger, get out , close the door, and push the bus , ” shouted the driver.1.What was the American asked to do when the bus suddenly stopped?He was asked to _______ to shut the door and push the bus.