In my apartment there are two rooms, _____ is used as a living room.
| A．larger one | B．the larger of which |
| C．the largest one | D．the largest of which |
Country life gives him peace and quiet, which is ______ he can’t enjoy while living in big cities.
| A．that | B．why |
| C．where | D．what |
“What were you trying to prove to the police？” “___ I was last night.”
| A．That | B．When |
| C．Where | D．What |
It has come to my notice _______ some of you have missed classes.
| A．what | B．which |
| C．that | D．when |
Patience is a kind of quality — and that is ___A___ it takes to do anything well.
| A．what | B．which |
| C．which | D．how |
They lost their way in the forest, and _______ made matters worse was that night began to fall.
| A．it | B．which |
| C．that | D．what |