（Lisa doesn't feel well today．She is at the doctor's．）

D：Can I help you？

L：（66）　　

D：When did it star？

L：（67）　　

D：Let me have a look．（68）　　

L：I played computer games all day．

D：Mm．That's it．

L：Oh．（69）　　

D：Nothing serious．Don't play computer game too much．

L：（70）　　Thank you very much．

A：Ok．I'll take your advice． B：What did you do yesterday？ C：Sorry．I can't． D：I have a headache． E：Where did you go last week？ F：Is it serious？ G：Yesterday．