36. I couldn’t sleep. I was tired.

- Although I was tired, I couldn’t sleep.

37. The planet is Venus. The planet is closest to the Earth.

- The planet which closest to the Earth is Venus

38. They have just sent an ambulance to the school.

- An ambulance has been sent to the school.

39. “There are flights from Nha Trang to Ha Noi twice a week” they said to me.

- They told me there are flights from Nha Trang to Ha Noi twice a week

40. “Don’t interrupt me while I am speaking.” Nam said to Hoa.

- Nam told Hoa not interrupt him while he is speaking.