It was too hard for the firefighters to get close to the burning building．All their attempts to rescue the people trapped were .
| A．in vain | B．in return | C．in place | D．in danger |
Don’t leave the water ______ while you brush your teeth.
| A．run | B．running | C．being run | D．to run |
Our class teacher is still on ______ holiday, so our monitor will be in ______ charge of the meeting today.
| A．/; / | B．the; the | C．a; / | D．the; a |
—How did you find your visit to Qingdao, Joanna?
—_____________.
| A．Oh, wonderful indeed. | B．I went there alone. |
| C．First by train and then by ship | D．A guide showed me the way |
One side of the board should be painted yellow, and _______ white.
| A．other | B．the other | C．the others | D．others |
When I went home after work, I found my house ______ but strangely, nothing had been stolen.
| A．broken into | B．put into | C．broken up | D．put up |