

47. It is compulsory for students in some schools ………… uniforms.
A. to wear
B. wear
C. wearing
D. worn
48. This classroom needs ……….. It’s very dirty
A. clean
B. cleaning
C . to clean
D. cleaned
49.At school , students usually take part in ……… money for charity
A. raised
B.to raise
C. raising
D. raise
50.Do you enjoy ……..cartoon?
A. watching
B.to watch
C. watch
D. watched
A. to wear
B. wear
C. wearing
D. worn
48. This classroom needs ……….. It’s very dirty
A. clean
B. cleaning
C . to clean
D. cleaned
49.At school , students usually take part in ……… money for charity
A. raised
B.to raise
C. raising
D. raise
50.Do you enjoy ……..cartoon?
A. watching
B.to watch
C. watch
D. watched