Yang Liwei is the first man ________ the moon.
| A．to step | B．step | C．stepping | D．steps |
Look! _________ boys and girls are sing and dancing.
A. A few B. A little C. Much
One of the boys ________ doing __________ homework in the classroom.
A. is; their B. are; his C. is; his
Tom, your MP4 is quite nice. How much is ________? I want to buy ____.
A. one; it B. it; one C. one; one
---- What are they doing？
---- Look, they ________ on the playground.
A. are running B. runs C. is running
Wang Hao often goes to school by _________.
A. a train B. the train C. train