30.Happy Halloween!

29.make sth. for sb.=make sb. sth.

28.on the evening of October, 31st

27.put sth. in=put sth. into…

26.make pumpkin lanterns

25.special costumes with masks

24.play a trick on sb.

23.give sb. sth. as a treat

22.knock on/ at

21.a game called “trick or treat”