The safety of food has become one of the _________ problems in our daily life.
A. more expensive B. more important
C. most expensive D. most important
(2013湖南娄底)—What did you do last night？
—I ________ TV and read books．
A．watch
B．watched
C．have watched
_______ jeans were invented over 100 years ago, they're still in fashion today.
A. Because B. If C. Although D. Since
I’ll ____________stay at that hotel again .It’s so dirty and noisy.
A. really B. usually C. still D. never
Mike is_____________, but his brother is much__________.
A. heavy; heavier B. heavy; heaviest
C. heavier; heaviest D. heavier; the heaviest
Bob plans _______ care of the sick kids in the hospital during the winter vacation.
A. to take B. takes C. take D. taking
