The high-speed trains are much          than the common ones.
A. fast                     B. faster            C. fastest

Sam and Bill are brothers. But Sam is _than Bill.

—We're doing a lot to protect our environment, but it is not good enough. —So we should try______ to look after it.

Bob is _________ than John.
A. tall                   B. taller                    C. tallest

Of all the subjects, chemistry seems to be    for me.

Now Chinese people are living a _________life than before.

— Who is the _____basketball player in China?
—Yao Ming, of course. No one plays ______ in our country.
A. good; best     B. better; better         C. best; better

-Do you like the film?
--Yes, I do. In fact, I’ve never seen a           one.      

—Need I wash your car after repairing it?
—Yes, that would be much _    .

---What do you think of Andy’s singing?
--- No one does       .