Joe: Why don't you tell me a few things about your country?
Ken: __________
| A．Because I can't tell you many things at a time | B．I'm afraid I can't. |
| C．Sure. What in general are you interested in? | D．I don’t know anything about that. |
She is American，__________she knows little about American history.
| A．so | B．yet | C．and | D．therefore |
The science of medicine，__________progress has been very rapid lately，is perhaps the most important of all the sciences.
| A．to which | B．in which |
| C．which | D．with which |
Information has been put forward__________more middle school graduates will be admitted into universities.
| A．while | B．that | C．when | D．as |
I read about it in some book or other，does it matter__________it was？
| A．where | B．what | C．how | D．which |
I still remember__________this used to be a quiet village.
| A．when | B．how | C．where | D．what |