What Are You Doing?
Betty and Bob are talking on the telephone.
Betty : Hi, Bob. What are you doing?
Bob : I'm watching TV. How about you?
Betty : I'm doing my homework.
Bob : You are a good student, Betty.
贝蒂和鲍勃在讲电话。
贝蒂：嗨, 鲍勃。你在做什么？
鲍勃：我在看电视。你呢？
贝蒂：我在做功课。
鲍勃：贝蒂, 你是个好学生。
