— Do I have to clean the dining room now?
— No, you ______.
| A．don’t have to | B．mustn’t | C．needn’t to | D．shouldn’t |
-----Don’t buy her chocolate as birthday present.
------No. Of course not. I know very well that she _______.
| A．has a sweet teeth | B．has a sweet tooth. |
| C．doesn’t have a sweet tooth | D．doesn’t have teeth. |
When it comes to____his classmates with the homework, he never feels tired.
| A．help | B．helping | C．give help | D．offer help |
______could be judged from her eyes that she was terribly sorry for what he _____.
| A．As; had done | B．That; did | C．As; did | D．It; had done |
—Why do you suggest the West Lake?
—I believe __beauty of ___ nature there will make__excellent impression upon you.
| A．the; /; the | B．the; /; an | C．a; the; an | D．the; the; an |
______ on time, or you’ll be fired.
| A．Arriving | B．If you arrive | C．Arrive | D．to arrive |