A.clean school | B.make less pollution |
C.join clubs | D.help teachers |
A.to run to school every day |
B.to take exercise every day |
C.not to forget to take cars |
D.to use lunch bags |
A.a small river | B.a club |
C. water in cubic meters | D.a toilet |
A.at school | B.in shops |
C.in clubs | D.at home |