Viết tiếp câu còn thiếu vào chỗ trống

46.The farmers had applied new technology in their fields. The output of rice was raised.(Combine with: Thanks to ...........which............)

=> Thanks ………………………………………………………………………………..

47. She didn't say a word as she left the room.

=> She left the room ………………………………………………………………………

48. A train leaves at 7 o'clock every morning.

=> There is ………………………………………………………………………………..

49. During dinner, the phone rang.