Low-carbon lifestyle is of great benefit to improve the world environment. _______ can be enjoyed from it until you have a deep under, standing of it, however. 

---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.

 I think      can make Andy change his mind. He is such a person who never gives up easily. 

He is a strict but kind teacher, ＿＿my son loves and respects.

—Is there ________ in today’s newspaper?—No, there isn’t. All the news is boring.