【美文诵读】
In the past，a lot of food was wasted in our school canteen.Some students threw away some food because it was not delicious as_expected①.Others left the food on the plate because they bought too much.
Last month the Students' Union of our school launched②“Clear Your Plate”campaign，which_aimed_to_call_on_us_students_to_eat
_up_all_the_food_we_bought③.Now_there_is_less_leftover_in_our_
school_canteen_because_we_think_it_shameful_to_waste_food④.
