Look at the children.They_____(plant) trees on the hills
Look at the children.They_____(plant) trees on the hills
.Every year the farmers plant many trees on those hills(改为被动
Look!All the hills are ___(cover) with green trees.
plant the trees还是plant trees
plant the most trees
look at those children.they are( )on the rop.
1,A;Look at the trees and grass!B:On,trees and grass are ___
They spend the whole day____(plant) trees on the hill
the farmers plant trees on the farn every year
on hills还是in the hills
Some rain water goes_____ the hills.(on,in,at.under)
Are you interested in___(swim)?Look!They_____(look)at the fl