If I ____ more about diamond, I ____ cheated by that man.
| A．had known, would not be | B．had known; wouldn’t have been |
| C．knew; would not have been | D．had known; would never be |
We will do everything we can____ our city.
| A．to save | B．save | C．saving | D．saved |
Is this school____ you studied in two years ago?
| A．that | B．when | C．it | D．the one |
I feel strongly that whatever you____ matter to me.
| A．don’t | B．do doesn’t | C．don’t do | D．doesn’t do |
The way you think of_____ our living conditions sounds reasonable.
| A．improve | B．to improve | C．improving | D．improvement |
It is his cleverness, not his strenth, ____ defeated his rival.
| A．that | B．which | C．what | D．who |