— Has your sick pet dog been cured yet?
— Not yet. It’s still under ________.
| A．discussion | B．control |
| C．treatment | D．repair |
We had a hard time ____________ the basketball match, but finally we made it.
| A．win | B．won | C．to win | D．winning |
--- ____________ does your father go to work?
--- Five times a week.
| A．How long | B．How soon | C．How often | D．How many times |
He plays ____________ piano every day to become the champion of his country.
| A．the | B．a | C．/ | D．an |
It is impossible___________ so much work in an hour.
A. finish B. to finish C. finishing
My family went on a _________ trip last month.
A. two weeks B. two-week C. two-weeks