resources
ultimately
proficiency
effects
historical
natural
People need to limit the activities that cause pollution and damage to our environment
Schools should make rules for when and where student are allowed to use their phones
him on winning the award for "Best Male Performance"
he joins an English-speaking club, his speaking skill will be improved soon
the birthday card which I myself made for him very much
our parents' generosity, all of the children in our family have received the best of everything








