【1】A:I am so glad that you invited me to your party.
B:My pleasure.
A:l really had a good time.Thank you so much.
B:You are welcome.See you.
A:l'll see you aroud.
[2]A;l heard that you have been admitted to a nurse school,congratulations!
B:Yeah,l am so lucky.
A:l am so happy for you.
B:Thanks a lot.
A:l know you have been working hard on it .
B：Sure,no pains,no gains.
[3]A:Hi,Mr Wang.How are things going?
B：Great!
A;l am here to give my most sincere thanks for your help.
b:l am glad to help and you did a good job.
A;Thanks again.
[4]a:Hey ,you are here.
b:yes?
a：listen,l am sorry that l can't be of help.
b;lt's OK,just drop it.
a:l hope you understand.
[5]a:Excuse me,
b:What's the matter?
a:l think l made a huge mistake here
b:Uh,let me see.lt's OK,on one is perfect.
a:So apology accepted?
b:Sure