---What should we do in order to reduce food waste? ---In a restaurant only order as _______ as we need and try to eat it up.
It's very dangerous __________ football in the street.
-- ________ you tell me how to write it in English? -- I'm sorry, I can't.
Look! They ________ in the hallway.
Can you help me ________ my homework?
The teachers ________ on the blackboard with chalk in the future.