He had to pause from time to time to wipe the sweat from his forehead, because the air-conditioning system _________.
A. broke in B. broke up C. broke out D. broke down
The new stadium being built for the next Asian Games will be ______ the present one.
A. three times as bigger as B. three times as big as
C. as big as three times D. as three times big as
If you go to Xi’an, you will find the palaces there more magnificent than commonly ______.
A. supposing B. supposed C. to suppose D. suppose
—What do you think of his opinion?
—None has given me ___________ piece of advice.
A. a better B. a best C. the best D. the better
The visiting professor gave us some advice,________ of great help to our English learning.
A. I think it is B. I think which is C. which I think is D. which I think it is
Nine in ten high school students say there are significant differences in their attitude toward chatting on line, compared with _________ of their parents.
A. those B. that C. it D. one
