51. The students are encouraged by their teacher to do more listening, reading and writing.
老师鼓励学生多听,多读,多写。

38. Sunday is the day ____ people usually don’t go to work.
星期天是人们通常不上班的日子。

37. Australia is one of the few countries ____ people drive on the left of the road.
澳大利亚是少数几个沿左侧开车的国家之一。

36. The higher the temperature, ____ the liquid evaporates. 温度越高,液体蒸发得越快。

35. She wonders ____ will happen to her private life in the future.
她不知道未来在她私人生活中会发生什么事。

34. It was well known that Thomas Edison ____ the electric lamp.
众所周知,托马斯•爱迪生发明了电灯。

33. The workers are busy ______ models for the exhibition. 那些工人在忙着为展会做模型。

32. His mother ____ alone since his father died. 自从他父亲去世,他的母亲一直独自生活。

31. I often see ____ the road on his way home. 我经常看见他在回家的路上穿过那条马路。

30. ____ she survived the accident is miracle. 她在这起事故中幸存,真是个奇迹。

29. The reason I did not go abroad was ____ a job in my home town.
我没出国的原因是我在家乡找到了一份工作。