She will call you if she ____.
| A．goes to | B．go back |
| C．come back | D．comes back |
It is not right ____ in public places.
| A．smokes | B．smoking |
| C．smoked | D．to smoke |
My parents are always strict ____ me.
| A．with | B．in | C．on | D．at |
I think he is a student, ____？
| A．don’t I | B．isn’t he |
| C．is he | D．do I |
—I’m going to Hangzhou for a holiday this weekend.
—____ you are there, can you buy me some green tea?
| A．Because | B．If | C．While | D．After |