My book, The House of Hales, is missing. Who ________ have taken it?
| A．need |
| B．must |
| C．should |
| D．could |
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 |