A. 1,150.
B. 1,336.
C. 2,672.
D. 5,500.

A. ignore both of their behaviour
B. punish both girls and boys
C. ignore the boys' behaviour
D. ignore the girls' behaviour
A. Playfu
B. Lovin
C. Argumentativ
D. Funn
A.provide more healthy food
B.ban food advertisements at schools
C.arrange more physical education classes
D.teach students to keep fit