28.Mr. LAN had better wear gloves to protect his hand
29.The stomachache prevented Mr.Thanh from enjoying the meal
30. How old is your daughter's, Mr Lan ?
31. Because Minh was sick , he didn't go to school yesterday
32.You'd better not eat too much meat
33. What is the weight of the chicken ?
34. What's wrong with you ?
35, Why did't you go to school yesterday?
36, Liz thought the colorful little fish is the most beautiful fish
37, Long swims badly
38, Mrs Oanh is good at cooking
39.ann is a dangerous driver.
 

28. Mr. Lan had better wear gloves to protect his hands
29. The stomachache prevented Mr. Thanh from enjoying the meal
30. How old is your daughter, Mr. Lan?
31. Because Minh was sick, he didn't go to school yesterday
32. You'd better eat less meat
33. What is the kitchen heavy? 
34. What's wrong with you? 
35. What didn't you present in class last monday? 
36. Liz thought that the most beautyful fish was the colorful little fish
37. Long swims not good 
38. Mrs. Oanh is a good cooker
39. Ann is a dangerous driver
 

40. You don't have to finish the work today
41. I like roller skating. So does my brother
42. How much do these rackets cost?
43. There are thirty classroom in my school
44. Literature is interested in my brother a lot
45. Nam prefers staying at home to going to the zoo
46. How about visting the beautful....
47. I prefer listening to music at home to going to the concert
48. The heavy rain prevented us from enjoying the trip
49. You'd better eat less candies
50. He drives slow and more carefully than me