The girl had hardly rung the bellthe door was opened suddenly, and her friend rushed out to greet her.
| A． | before | B． | until | C． | as | D． | since |
.—Have your working conditions improved?
—No, _____ than before, I’m afraid.
| A．no better | B．a little better | C．not worse | D．no worse |
These natural parks are very important for preserving many animals, which would _______ run the risk of
becoming extinct.
| A．otherwise | B．therefore | C．nevertheless | D．however |
People are always on the go , so they spend their weekend on housework .
| A．most | B．almost | C．mostly | D．nearly |
On the third floor there are two rooms, _____ is used as a meeting-room.
| A．one of them | B．the larger of which | C．and a larger of them | D．the largest one of which |
—Are you satisfied with her work, sir? —Not at all. It couldn’t be any _______.
| A．better | B．best | C．worse | D．worst |