(2)
        There are five people in the Lin family. Mr. Lin is a teacher, and he gets up   (6)   6 am and goes to work   (6)     7:30 am. Sometimes, he has to work   (7)     Saturdays. Mrs. Lin is a computer engineer. She is always very busy, and she works at least ten hours   (8)     every day. Their daughter, Judy, is a police officer, and she helps everyone with everything. She likes to listen to music in her free time. Bill and Ben, the twin brothers, are students. They have different interests. Bill loves sports and he joins the basketball team. He plays with his teammates   (9)     times a week. Ben enjoys the music, so he goes to the guitar club every Friday afternoon.
【題組】6.
(A) in
(B) on
(C) at
(D) X