--- Could you please clean the room?
--- _____ I have to do my homework.
| A．Yes, sure. | B．Why not? |
| C．Sorry, you can’t. | D．Sorry, I can’t. |
You must be very tired. Why don’t you______ a rest?
| A．stop having | B．stop to have | C．to stop having | D．to stop to have |
All lights______after the students left the classroom.
| A．went down | B．goes off | C．goes down | D．went off |
Would you please drive faster ? My flight is _______.
A. flying to B.taking out C,turning off D.taking off
Some people say Mozart was the greatest European_______.
| A．violinist | B．composer | C．singer | D．pianist |
She doesn’t want to do it .We have to find _____to do it.
| A．somebody else | B．else anybody | C．else somebody | D．nobody else |