__________ the trees
water the trees
__________ money
donate money
__________ food
donate
__________ vegetables
water/ donate vegetables
__________to the elderly
read books to the elderly
__________ used paper for notebooks
exchange used paper for notebooks
__________ books
donate books
__________ secondary student
tutor secondary student
__________ old clothes
donate old clothes
__________ the flowers
water the flowers
__________ plastic bags
recycle plastic bags
__________ used books for plants
exchange used books for plants
__________ used bottles for books
exchange used bottles for books
__________ blood
donate blood
__________ bottles
pick up bottles
__________ litter
pick up
__________ poor children
help/ tutor poor children
__________ lonely people
help lonely people