31. I'm thirsty. I would like to drink three b of juice.
32. Look! A lot of f are fishing along the river.
33. The government should make some l to protect the environment.
34. The car (工业) is important for the development of the old city.
35. The 16th U.S. (总统) Lincoln was born in a poor family.
36. The baby poured some milk on the (wood) floor.
37. Plastic bags are (harm) to the environment.
38. He used the (science) method to achieve his dream.
39. An (inspire) helped him to compose his music.
40. Maybe you fear that they won't be able to find the solutions to the problem of air (pollute).
Old textbooks shouldn't be . Maybe they are useful in your later life.
42. I'm trying to sleep. Would you mind (调低) the music? (词数不限)
Little Jenny turned the glass .
This trip a lot of happy memories.