（2017 • 上海中考）Alex believes he will soon be able to play chess as __________ as the computer.
A.well B.better C.best D.the best
What a clear blue sky it is! I have never seen________ sky before.
A.a beautiful B.a more beautiful C.more beautiful D.the most beautiful
Of all the drinks, tea is ________ in the world. It has a history of about 5,000 years.
A.old B.older C.the older D.the oldest
Jack likes eating meat very much these days, so he becomes much ________ than before.
A.thin B.thinner C.heavy D.heavier
Miho is________ student because she was born later than anyone else in her class.
A.younger B.youngest C.the younger D.the youngest
With the development of the Internet, it's ________ to get information from all over the world than before.
A.easy B.easier C.the easier D.easiest
