49. I live on the 　　　　　(第二十一) floor of a tall building in the centre of the city.

48. When you answer your teacher’s question, you should speak as 　　　　　(清楚地) as possible.

47. Don’t make any noise. The baby is 　　　　　(睡着的) in the next room.

A)根据括号中所给的汉语写出单词，使句子意思完整正确。

46. My grandparents live in a 　　　　　(城镇) near Nanjing.

15. - I’m going to take my driving test tomorrow.

　 - _______!

　 A. Good luck　　　 　 B. Cheers　 　　　　　　　 C. Come on　　 　　　　 D. Congratulations