A recent survey conducted by TIRA, a Vietnamese research company, highlights (23) __________ about the lifestyles of Vietnamese teenagers in urban areas. There is an imbalance in their consumption of time for studying and recreational activities. On average, these teenagers spend 9.5 hours a day (24) __________ studies at school and at home. They only have about four hours for (25) __________. 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 to play games and to chat with friends much more."