---Why did he___ that the man we met on the bridge was his father?
---God knows!
| A．refuse | B．deny | C．accuse | D．resist |
We live in a society ______ there is a great deal of debate about competition.
| A．where | B．which |
| C．when | D．that |
The fact ____ ancient Greek civilization had a great influence on Western culture is known to many people.
| A．whether | B．that |
| C．if | D．how |
---_______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.
| A．When was it | B．How was it |
| C．How was it that | D．When was it that |
__________ he does has nothing to do with me.
| A．If | B．No matter what |
| C．That | D．whatever |
Mr White is opposed to repairing the old building, and that’s ______ I don’t agree.
| A．which | B．that |
| C．where | D．what |