33. They haven’t decided the exact time of the match yet
→ The exact time of the match hasn't been decided yet.
34. He hasn’t chatted with his classmates through the Internet for a long time.
→ It is a long time since he last chatted with his classmate through the internet.
35. I would like you to help me put the chairs away.
→ Would you mind helping me to put the chairs away?
36. My friend enjoys reading books. He particularly enjoys reading thrillers.
→ The kind of book which my friend particularly enjoys reading is thriller.