28. At a rough look, the area of the city is about ______ the old one.
| A．three times the size as | B．three times the size of |
| C．three times that is | D．three times what is |
In my apartment there are two rooms, _____ is used as a living room.
| A．larger one | B．the larger of which |
| C．the largest one | D．the largest of which |
“Oh, how fat he is!” “But I think he is ____ than fat.”
| A．short | B．shorter |
| C．more short | D．shortest |
You are _____ careful than your brother. You two can’t do the work that needs care and skill.
| A．not more | B．no more |
| C．not less | D．no less |
Professor White has written some short stories, but he is _____ known for his plays.
| A．the best | B．more |
| C．better | D．the most |
. How cold it is! We’ve never had ______ this winter.
| A．the colder day | B．a cold day |
| C．the coldest day | D．a colder day |