55．The people here are very friendly ____ us.

54．He did this instead ____ me.

53．Don't laugh ____ other people's mistakes.

52．He left Tokyo ____ a visit ____ Beijing.

51．____ the end of the road you'll see the hospital

50．An old woman is ____ the side of the road.

49．I don't know which is the way ____ the park.

48．Don't worry ____ your test.

47．The day ____ tomorrow will be windy.

46．Harerbin is ____ the north of China.