1. Brother / have / plenty / homework / do / so / can only play / games / short time .

->My brother has a plenty of homework to do so he can only play games in a short time .

2.Children / spend / only / small part / free time play / electronic games .

->Children should spend only a small part of their free time playing electronic games .

3.Hoa / be / used / live / big / city.

-> Hoa is used to living in a big city 

4.Refrigerator / next /closet / and / front / dishwasher.

-> Refrigerator is next to the closet and in front of dishwasher.

5. Miss Trang / take care / sick children /same hospital / as / mother.

-> Miss Trang takes care of sick children in the same hospital as her mother.

II

69.amusement

70.addicted

71.inventors

72.activities

73.social

74.robbery

75.awake 

76.education

77.addition

78.unhealthy

VI.

64.MY BROTHER HAS A PLENTY OF HOMEWORK TO DO, SO HE CAN ONLY PLAY GAMES IN A SHORT TIME.

65.CHILDREN SHOULD SPEND ONLY A SMALL PART OF THEIR FREE TIME PLAYING ELECTRONIC GAMES.

66.THE PUBLIC LIBRARY IN THE CITY HAS THOUSANDS OF BOOKS AND LAN BEGINS BORROW BOOK REGULARLY.

67.HOA IS USED TO LIVING IN A BIG CITY .

68.Miss Trang takes care of sick children in the same hospital as her mother.