It’s a good habit to turn off the unnecessary lights, it can help save       .

–Excuse me, haven’t you learned the new          law? Everyone in a car must wear theseat belt.-- Sorry, we won’t do that again.

---Doing sports ___ good for our health.--- Yes, so I do morning _____ every day.

He is a teacher with a lot of ______. He often tells us many of his interesting _____ in Africa.

Edward doesn’t like his car. He thinks ________ is more modern than his.