He asked several questions_______ the professor who gave us a lecture_______the balance of nature.
| A．with; for | B．from; of | C．to; about | D．of; on |
Jenny suggested our going on an outing to the countryside 
next weekend, but the rest didn’t sound very _________ about the idea.
| A．anxious | B．enthusiastic | C．cautious | D．secure |
The young couple have been admitted into a badminton club of late, where they can enjoy all the benefits and _________ of club membership.
| A．charges | B．procedures | C．privileges | D．circumstances |
I can’t advise you what to do and what not to do — it’s a matter of _________.
| A．conscience | B．comprehension | C．awareness | D．identification |
I just wonder ________ that makes him so excited．
| A．why it does | B．what he does | C．how it is | D．what it is |
A new college is being built in ________ I can remember was an old factory 20 years ago．
| A．which | B．where | C．that | D．what |