21. --- What _______ great fun it would be if we could light candles to celebrate his birthday in our dormitory!
--- Forget it! The teacher in _______ charge of our dormitory won't be happy to see that!
A. /;/ B. /; the C. a; the D. a; /
22. --- You had your hair cut so short.
--- My mom doesn't approve ________.
A. me to have long hair B. my having long hair
C. of me to have long hair D. of my having long hair