33. The storm prevented us from going camping.
34. I haven't talked to him for ages.
35. It was such an interesting book that we couldn't put it down.
36. If you didn't help me, I couldn't pass the exam.
37. This exercise wasn't easy enough for us to do. ( enough+to_V)
38. He's taught English for three years.
39. I have never seen a better film than this film.
40. I haven't been to New York before.
CHÚC CẬU HỌC TỐT!! Cho mình CTLHN nhé!!