五. 完成句子

46. 熬夜对你身体不好。

　　　 It’s not good for your health to ________ ________ ________.

45. Tom and his family ________(fly) to Sanya two days ago.

44. It’s useful ________(learn) a second language.

43. Are there any ________(baby) on the bus?

42. Those ________(visit) are from Aus-tralia.

41. Would you like to go ________(camp) with us, John?

40. You don’t have to ________(喊叫). I can hear you.

B. 用所给单词的适当形式完成句子。(5分)

39. Look at that kite. It’s so ________(高的) in the sky.

38. Mr. Black keeps a _______(蛇) as a pet.

37. You can get lost in the _______(森林).