Read the following passage and put a word in the box in each of the numbered blanks.

A recent survey conducted by TIRA, a Vietnamese research company, highlights problems about the lifestyles of Vietnamese teenagers in urban areas. There is ___(1)___ imbalance in their consumption of time for studying and recreational activities. On average, these teenagers spend 9.5 hours a day on studies at school ___(2)___ at home. They only have about four hours for entertainment. Most of this time is spent on watching television and the internet, where they chat through social networks. The teenagers admit that they use computers ___(3)___ games and to chat with friends much more than using it for studying purposes. The survey also shows that during summer months, despite having much ___(4)___ free time than during school years, these teenagers still fail to manage their time properly. They stay in bed longer, and then get hooked on games and TV. The time for computers and TV increases significantly to about five or six hours a day, while there is almost no time for physical ___(5)___ activities.