Can you name some（of ）the corlors（for ）the tree leaves（in ）different seasons还是用这些词填空，People can make use ( ) many things () the world，People can make use ( of) many things (in) the worldSome people don't know how important trees are ( ) humans.用这些词填空，for ，on ，at ，to ，from ，in ，of ，withSome people don't know how important trees are (for ) humans.