Now the air in our city is ______ than it used to be. Something must be done to stop it.
A. much better B. rather bad C. even worse
Hurry up! The play _______ for ten minutes.
A. has begun B. has been on C. has gone to
An English-Chinese dictionary leads you _______ English well..
A. learn B. to learn C. learning
Garey is a famous painter in the world.
One of his paintings was shown there and made a(an) ________.
A. hit B. support C. award
There are trees on side of the road .
A. either B. both C. other
–Have you done your homework _________?
-Yes. I have _______ done it. But they’re _________ doing it.
A. already； yet； yet
B. yet； yet； still
C. yet； already； still
