My teacher has three brothers, all _____ than he.  George, _____, is an officer.
  A. elder, the eldest      B. old, the oldest      C. elder, the old one      D. older, the eldest

Whoever is never _____ with the progress he has made will be a success.
A. content B. proud C. praised D. enough

 Thank you very much. It's ____ of you.
  A. kindest         B. a most kind         C. the most kind         D. most kind

 I'm afraid that your conclusion is ____ from correct.
  A. far         B. free         C. different         D. short

 The newly-built theatre is ____ the old one.
  A. as twice big as                 B. twice more bigger than
  C. twice the size of                 D. twice so big as

 — Do you like cats?
  — Of course. They are ____ a kind of pet. They can do much good for their masters.
  A. better than         B. more than         C. no more than         D. no better than

 In the poor parts of America's big cities there is a lot of crime, _____ .
  A. and much of it is serious         B. much of it is serious
  C. and many more is serious         D. more of it is serious

— How do you like your teacher of English?

— Well, no one teaches _____ here.
A. well B. poorly C. best D. better

 — This is a good place for a picnic.
　 — Yes, it couldn't be ____ .
  A. better         B. best         C. worst         D. worse

 The population of many Alaskan cities has _____ doubled in the past five years.
  A. larger than         B. more than         C. as greatly as         D. as much as