－Do you mind if I open the window?
－__________. It’s hot inside.
A. Of course not
B. Yes, please
C. You’d better not
—Were you at home at 9:00 last night? I called you but nobody answered.
—Sorry, I ________ at that time.
| A．take a shower | B．took a shower |
| C．was taking a shower | D．am taking a shower |
—May I speak to the headmaster?
—Hea meeting now. Can I take a message?
| A．is having | B．had | C．has | D．will have |
Tom hardly hurt himself in the accident, ________?
| A．didn’t he | B．does he | C．doesn’t he | D．did he |
If our governmentattention to controlling food safety now, our health ________ in danger.
| A．won't pay; is | B．doesn't pay; is |
| C．won't pay; will be | D．doesn't pay; will be |
He ________ go out with his parents, but now he ________ staying at home alone.
| A．used to; is used to | B．is used to; used to |
| C．use to；is used to | D．used to; used to |