Jack has three friends. Mike is the ______ of the four.
A. most cleverest B. more clever C. cleverest D. clever
Jim did quite ______ in the exam, but Jack did even ______.
A. better; well B. well; well C. well; better D. better; better
The air in Beijing is getting much ______ than a few years ago.
A. clean B. cleaner C. cleanest D. the cleanest
Which is ______ country, China, Australia, America or Russia?
A. large B. the larger C. largest D. the largest
His mother was angry, because he did ______ job in examination in his class.
A. good B. bad C. worse D. the worst
Who does homework ______ in your class?
A. carefully B. the most carefully C. more carefully D. as carefully as
