I am reading.我在阅读.I am a student.我是一名学生.I am looking for a ruler.我在找一把尺子.I am glad to see you.很高兴看到你.I am thirteen.我十三岁.He is doing cleaning.他正在做卫生.He is not a student.他不是名学生.He is looking for a ruler.他在找一把尺子.He is fourteen.他十四岁.He is late for school.他上学迟到.They are playing table tennis.他们在打乒乓球.They are good student.他们是好学生.They are waiting for the bus.他们在等公车.They are fifteen.他们十五岁.They are running.他们在跑.
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