38. Some people are going to the opera and __________ (看) a ballet.

37. What do cars use? F__________.

36. People have big dinner on Spring __________(festival) Eve.

35. We’ll use the sun to h__________ our homes.

34. The opposite of easy is d__________.

33. Planes will be very large so f__________ will be very cheap.

32. What__________ (传统) do you have at the Spring Festival?

根据所给提示用单词的正确形式填空。

31. She’s s__________ for presents in the supermarket.