43. If you leave the tap running while brushing your teeth, you'll waste water.

44. Peter said he had already seen the New-Tech Exhibition.

45. Tom phoned me and said he couldn't come in that day, because he was sick.

46. He said that they couldn't open the door.

47. I said to her that she could bring it back if it didn't fit.

48. She asked if Mr. Brown had sent the potatoes to me.

49. Tom said to Ann that she shouldn't stay out late.

50. Mary asked Peter what he wanted for lunch that day.

43. If you leave the faucet running while brushing your teeth, you will waste water

44. Peter said he watched the New Technology Expo

45. Tom called me and said he couldn't come that day, because he was sick

46. He said they couldn't open the door

47. I told her she could bring it back if it didn't fi

48. She asked if Mr. Brown had sent me the potatoes.

49. Tom tells Ann that she shouldn't go out late at night.

50. Mary asked Peter what he wanted for lunch that day.

dịch:

43. Nếu bạn để vòi nước chảy trong khi đánh răng, bạn sẽ lãng phí nước

44. Peter nói rằng anh ấy đã xem Triển lãm Công nghệ Mới

45. Tom gọi cho tôi và nói rằng anh ấy không thể đến vào ngày hôm đó, vì anh ấy bị ốm

46. Anh ấy nói rằng họ không thể mở cửa

47. Tôi nói với cô ấy rằng cô ấy có thể mang nó trở lại nếu nó không vừa

48. Cô ấy hỏi ông Brown đã gửi khoai tây cho tôi chưa

49. Tom nói với Ann rằng cô ấy không nên đi chơi khuya.

50. Mary hỏi Peter anh muốn gì cho bữa trưa hôm đó.