阅读理解。 It's 5:30 in the afternoon. School is over. It's time for student to relax. Look! Some boys are playing soccer and some are playing basketball on the playground (操场). Most girls don't like ball games because they think they are boring. They like to do other sports, such as swimming and dancing. Look, some girls are swimming in a big swimming pool. In the gym (健身馆), Maria and her friends are dancing to the music. Some students are singing together in the classroom building. Who are they? Oh, they are some students of Class Four. They are cleaning their classroom now. After that, they can play with other students. 根据上面内容判断正误，正确的写（T） ， 错误的写（F）。 (     ) 1. After 5:30pm, the students don't have classes. (     ) 2. On the playground, some boys are playing basketball and soccer. (     ) 3. We can't see any students swimming in the pool now. (     ) 4. Some students from Class Four are singing together in the classroom. (     ) 5. Maria is dancing on the playground.