39. Jack is busy preparing for a party to celebrate his sister’s _____ (twelve) birthday. He wants to give her a big surprise.

38. When we walked past the playground yesterday, we found him ____ (lie) on the grass, enjoying the sunset.

37. This year it has rained so _______ (heavy) in South China that lots of problems are caused.

A)根据句意，用括号中所给单词的正确形式填空，每空一词。

36. So far, I haven’t made a _____ (decide) about where to go for the coming summer holidays.

15.(　 ) -That actor often joins in different activities in Beijing. Do you know _________?

-For 5 years.

　　 A. how soon he will come back　　 B. how long he has stayed there

　　 C. when he went there　　　　　　 D. when he will come here

14.(　 ) The girl ________ won the gold medal comes from Beijing Sunshine Secondary School.

　　 A. who　　 B. which　　 C. what　　 D. whom