I.单项选择.
1. —You look very tired this morning. What did you do yesterday afternoon?
—I did Christmas shopping.
A. a lot of B. a few of C. a number of D. a piece of
2. If the question ______ incorrectly, _______ question will be given to you
A. is answered, other B. answers, other
C. is answered, another D. answers, another
3. Now the air in our city is _______ than it used to be. Something must be done to stop it.
A. very good B. much better C. rather bad D. even worse
4. The boy doesn't speak his sister, but his written work is very good.
A. as well as B. so good as
C. more better than D. more worse than
