四、词汇（15分）

（一）根据首字母或汉语提示将单词的适当形式填写在横线上。（5分）

36. My brother is good at telling ___________(笑话).

37. Jack is very interested in Chinese _____________(文化).【来源：21・世纪・教育・网】

38. I think computer games are boring and ___________________(毫无意义的).

39. I h____________ you can win the running competition.

40. It will b_______________ easier to live in the