第二节 听下面一段对话，回答第11，12小题。对话读两遍。
( )11.Why did Michael go to bed so late last night?
A. Because he watched TV too late. B. Because he had a lot of homework to do. C. Because he played computer games too late.
( )12. How long did Michael finish his homework?
A. two hours B. more than two hours C. less than two hours
