1. 选词填空

on the move, set out, nothing like, at peace, live off, even though, wake up to, part from, be home to, if so

1. （1） Have you ever been here? , how many times?
3. （2） providing warmth, what is fire used for?
5. （3） Australia kangaroos.
7. （4） Though he is thirty, he is still his parents.
9. （5） My grandfather still plays tennis now and then, he is in his seventies.
11. （6） The epidemic（流行病）makes us the importance of protecting wild animals.
13. （7） We're warned that it is dangerous to jump off a car when it's.
15. （8） Lots of roads are being repaired these days. We'd better earlier.
17. （9） The painting was what it used to be because it was once watered by rain.
19. （10） He hoped that his country would always be with all other countries.