--- Must I see the dentist at once？
--- No, you .
A. mustn’t B. can’t C. needn’t
—Would you like to stay ____ days in Beijing?
—No, thanks. I’m afraid I’ll be back tomorrow.
| A．more two | B．other two |
| C．two another | D．another two |
—Mr. Wang, I have trouble ____ the text.
—Remember ____ it three times at least.
| A．to understand; reading | B．understanding; reading |
| C．understanding; to read | D．to understand; to read |
One of my teachers ____ an Englishman.
| A．is | B．are | C．do | D．does |
It is not polite ____ in public places.
| A．smokes | B．to smoke | C．smoked | D．smoking |
The girl saw a snake ____ on the road and was frightened.
| A．lie | B．lies | C．lay | D．lying |