Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later.
| A．had said | B．said |
| C．might say | D．might have said |
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 |
The boy entered the room quietly in order to avoid __________ his parents.
| A．being waken up | B．to wake up |
| C．waking up | D．to have waken up |
Taking weight-loss pills will __________ our health.
| A．effect | B．affect |
| C．error | D．effort |