21. --- Do you like cooking，Mary？
--- ________. Luckily，I’ve never had to worry about it.
A. Not bad B. Not really C. Probably not D. Not suppose
22. It’s____good feeling for people to admire the Shanghai World Expo that gives them ____pleasure.
A. 不填, a B. the, a C. a, 不填 D. a, the
