（2012•辽阳）（D=Dick J=John）
J：Hello!May I speak to Dick？
D：Yes，speaking.16．
J：This is John.17．
D：I’m at home．I have to look after my mother．
J：18．
D：She is ill．She has a bad cold．
J：19．
Has she seen a doctor？
D：Yes．The doctor said my mother should stay at home，take some medicine and have a good rest．
J：20．
I’ll help you if necessary．
D：Thank you．It’s very kind of you．