21. The police promised to dowas possible to save the people trapped in the mountains.
A. whichever B. whoever C. whatever D. no matter what
22. Whether age is happy or unpleasant depends less on money or on health thanon your ability to have fun.
A. it is B. it was C. it did D. it does
23.--Where have you been?
--Iin the heavy traffic. Otherwise Ihere earlier.
A. got stuck; would have come B. got stuck; was
C. have got stuck; would have come D. had got stuck; would come