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 |
—My sister failed the driving test and is in low spirits.
—I’m sorry for her.
—____________.
| A．Thank you | B．You’re welcome | C．I would think so | D．Never mind |
How long is it ________________ we last had a picnic together?
| A．until | B．before | C．that | D．Since |
—What do you think of the concert?
—I really enjoy it. I didn’t expect it was ____________ wonderful.
| A．as | B．more | C．most | D．Very |
His best-known work that is ___________ all praise can be seen in the museum.
| A．with | B．beyond | C．without | D．Within |
Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.
| A．when | B．that | C．so that | D．Where |