33. We can't swim in this river because the water is highly polluted.
→Because of
34. I like standing at the window. I can see the park from this window.
I like........
35. I don't remember the man. You said you met him at the canteen last week.
I...........
38. He was Tom. I met him at the bar yesterday.
The man.......
39. The children often go swimming on Sundays. They have much free time then.
The children.........
40. They are looking for the man and his dog. They have lost the way in the forest.
They..........
43. The last man has just returned from the farm. I want to talk to him at once.
The last man.........
44. The students will be awarded the present. The students' reports are very valuable.
The student............
45. The book was a lovely story. I was reading it yesterday.
The book..............
47. The handsome man is talking to my sister.
The man................
48. The kids were watching an interesting movie.
The movie......
THIS
51. Do you still remember the day? We first met at university on that day.
Do you still....
?
52 I'll show you the second-hand bookshop. You can find valuable books in this shop.