31. Mr. Mott had a bad m ; he couldn't remember his telephone number.
32. The silk(丝绸) feels s .
33. Li Lei is an h boy, he never tells lies.
34. He often s for some useful information on the Internet.
35. It's a s that you can't go on vacation with us tomorrow.
36. --- How well Alice sings!
--- Yes, she has a s voice.
37. Lu Xun was one of the greatest writers in the 20th c of China.
38. --- Dad, my iPad doesn't work.
--- Don't worry. Let me c it for you.
39. Tom likes trains very much. He wants to work on the r .
40. She is waiting for you on the o side of the street.
41. The small boy can only (数) to ten.
42. We are (考虑) going to Canada.
43. Don't tell anyone about the bad news, (尤其) my mother.
44. Please show me how to (搜索) the internet.
45. Tony is very (诚实的), so everyone likes him in his class.
46. Please fill in the blanks and then c (核对) the answers.
47. I have a new (围巾). Do you have one?
48. --- I always get nervous before math exams.
--- How about listening to some (轻柔的) music?
49. Fast is the (反义词) of slow.
50. It is the first time he has been to his (家乡). So he is excited.