On AIDS Day, the minister of Health Department demanded that the problems ______ paid special attention to.
| A．referred to being | B．referred to be |
| C．refer to being | D．refer to be |
If better use is _____ your spare time, you’ll make greater progress in that.
| A．spent | B．taken | C．made of | D．used of |
Not everyone likes everyone else, _____?
| A．does one | B．does everyone | C．do they | D．don’t they |
We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.
| A．when; which | B．which; when | C．what; that | D．on which; when |
_____ teachers are looked down upon.
| A．Went away are the days when | B．Away went the days which |
| C．Gone are the days when | D．Went are the days that |
This is the second time Nie Haisheng ________ to be the astronaut who took the glorious task.
| A．has been chosen | B．had been chosen |
| C．was chosen | D．chose |