30. I hear the plane’s t______________ off in twenty minutes.

29. S_______________ to old people is not polite, I think.

28. Last Thursday I lost my wallet, I couldn’t find it a________________.

27. I saw the UFO l_____________ next to a shop and an alien got out.

26. What happened in China in the p______________ fifty years?

25. Linda was quite s_____________ to meet her old friend in a souvenir shop.

24. My f_____________ number to the USA is CA 908.

23. You can’t believe them, they’re k________________.

22. W_____________ we were walking in the street, we met our maths teacher, Mr Zhang.

21. The train a________________ in Wuhan at 22:00 last night.