21. As China plays __ bigger part in global affairs, it draws more attention from __rest of the world.
A. the; a B. a; the C. 不填; the D. a; 不填
22. -- Our holiday cost a lot of money.
-- Did it? Well, that doesn't matter __ you enjoyed yourselves.
A. even if B. in case C. as far as D. as long as
