—Do you mind if I smoke here?
— __________ I feel a bit sick.
| A．I，d rather you didn't. |
| B．Yes ,please ! |
| C．Go ahead. |
| D．Not at all. |
Lin Feng is said __________ abroad, but I don't know which country he studied in.
| A．to study | B．to be studied |
| C．to have studied | D．to be studying |
The engine just won't start. Something seems __________ wrong with it.
| A．to go | B．to have gone |
| C．going | D．having gone |
When he came in, I happened __________ my experiment in the lab.
| A．to do | B．to be doing |
| C．to have done | D．to be done |
Now I've got him in my __________；I can make him do anything I want.
| A．energy | B．strength |
| C．power | D．right |
The doctor thought __________ would be good for you to have a holiday.
| A．this | B．that |
| C．one | D．it |