A.to run to school every day |
B.to fill a river every day |
C.not to forget to take cars |
D.not to throw away lunch bags |
A.in clubs | B.in shops |
C.at school | D.at home |
A.go bike riding | B.go to school in a taxi |
C.take a walk | D.build a car |
A.a small river | B.a club |
C.a lot of water | D.a toilet |
A.How students help make less pollution. |
B.How students clean their school. |
C.Asking students to join the environment club. |
D.How students help teachers. |