A．I' m a doctor．

B． Where are you now？

C． This is Scott Smith

D．How will you come？

E． What's happening？

F． Stay with her and don't move her．

G． How long will I have to wait？

A： Hello! This is 911． Who is that speaking B： （1）　　 Help! Help! Please help me! A： Yes， sir． （2）　　B： My wife is seriously ill． She's having a heart problem A： Now relax． sir． （3）　　B： I'm on Lincoln Highway， about 15 miles from Washington A： OK． I'll send an ambulance as soon as possible． B： （4）　　 A： For about ten minutes． B： All right． What should I do while waiting？ A： （5）　　 B： OK． Thank you and please hurry．