him      cup      among    manage    even though

46．Jack learned to look after　　when he was home alone．

47．It is really important for us to　　our time in this busy world．

48．My grandfather does exercise every morning　　he is already seventy．

49．Can you believe people in Britain drink over 150 million　　of tea a day？

50．As was reported，Jinhua is now　　the cities which are fit for people to live in．