Bob and Sue are in the same school, 1 they are in different 2. They go to school on weekdays. 3 school, Bob and Sue often play games with 4 friends.

  Class begins 5 eight in the morning. Now Bob and Sue are in their own(自己的) classrooms. They are listening to their 6. Bob's studying English. His teacher is talking 7 English. Sue's 8 a Chinese class. Her teacher is talking 9 writing. They study hard. They love their teachers and they like their 10.

2016年4月，《武汉地铁阅读报告（2012-2016）》发布，晒出江城地铁乘客阅读成绩单，自2012年至今武汉市“地铁自助图书馆”已覆盖2，3，4号线共69座车站，8万册藏书方便乘客自助借阅，已有27979名市民办理了“地铁自助图书馆”借阅证，市民累计借书达到23．75万册。建设地铁自助图书馆旨在（    ）

由中科院国家天文台和北京大学、美国俄克拉荷马大学组成的研究团队发现在距离地球最近的类星体中隐藏着超大质量双黑洞。据此回答下列问题。