21. The astronauts were so struck by ______beauty of nature that they took lots of pictures in _______space.
A. the ; / B. the; the C. /; the D. /; /
22. —Are you feeling ____ better today?
—Thanks a lot. I feel ____ better now following the doctor’s advice.
A. slightly; much B. much; some C. rather; any D. any; quite
