– the girl? –Oh, it’s Linglign.A. Where B. what C. Who
, people shouldn’t drive so much. A. To save water B. To save trees C. To save energy
When is World Environment Day? It’s ___________. A.on 10th September B.on 5th June C.on 22nd April
Look, Sam is starting a poster. A.makes B.to make C.make
Plastic bagsthe park messy and dirty. A. make B. makes C.making
To keep the air clean,don’tto work every day. A. walk B. ride C. drive