C. Read the passage and fill in the blanks with proper words.（在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给):

A school newspaper The Teens asked over one thousand teenagers how they spend their spare time. Here they report the r__81____ of the survey. It’s not at all surprising to learn that most teens said they wanted more free time. Most have less than an hour a day for after-school activities.

   P__82_____ activities was popular among both girls and boys, averaging between three to six hours a week. Favorite sports among girls is tennis, basketball and swimming. Boys said they liked football, basketball and skating.

   Speaking of entertainment, music and TV were popular. About half of these surveyed said that music was their favorite activity. This i____83___ both listening to and playing music. TV was also very popular. Three quarters said they preferred watching TV to read a book or magazine.

   Unsurprisingly, as many as three of ten teenagers mentioned that collecting things was something they liked to do in their spare time. They had v___84______ collections from cartoon books and basketball cards to stickers, toys and coins. 

   V____85_____ friends was also popular. Eight out of ten teenagers said they met their friends once a week. Nine out of ten said they contacted friends through the Internet. A___86_____ popular way of contacting friends was the telephone. Everyone we surveyed said they spoke to friends every day. Most said they spoke about twenty minutes a day.  Surprisingly, teenagers s____87_____ went dancing, especially girls. Only one out of ten went to the dance regularly.