⑴Why not go swimming?
⑵What should we do?
⑶Help! Help!
⑷How often do you play computer games?
⑸How do you go to school every day?
A. On foot.
B. What's the matter?
C. We should care for our earth.
D. Good idea!
E. Twice a month.
A. plant trees
B. on foot
C. cut down trees
D. waste water
E. drive a car