( )21. Look! There is _____ colour bird in the tree. ______ bird is singing.
A. a; The B. /; The C. the; A D. a; /
( )22.----What a heavy rain!
----So it is. I prefer ______ at home ______on such a rainy day.
A. watch TV; to go out B. watch TV; go out
C. watching TV; to going out D. to watch TV; going out
