Mrs Black is a worker in a factory. She does a lot of hard work. She works all day. But now she often forgets things and doesn't do her work well. She worries about this a lot. So she goes to see her doctor, Mr brown
“What's wrong with you, madam.“ says the doctor.
“Oh, doctor, I can't remember things. I often forget it in half a minute. What can I do? Can you help me?” says Mrs Black.
“When does your trouble begin?” the doctor asks.
“When does what begin? Doctor?” asks Mrs Black
生词点拨：begin—开始 forget—忘记 remember—记得 trouble—麻烦；困扰
