41. How many rooms does Hoa's house have?
42. My book is more expensive than this book.
43. Who does this house belong to?
44. They enjoy walking in the rain.
45. Nam has learnt English for 5 years.
46. It takes her thirty minutes to do the test.
47. What are the prices of these trousers?
48. What about going swimming this afternoon?
49. Because the weather was bad, we decided to stay at home and watch TV.
50. Huy is the most intelligent student/ pupil in my class.