A：We can't wait any longer...

B：I'm terribly sorry to be so late.I had an article...

A：You'll knock yourself out the way you've worked.Why don't you slow down?

B：I can't afford to.

A：All right.Now that everybody's here. Shall we be getting started ?Miss Lin,are you ready?

B：Yes,thanks.Before I start,I'd like to thank Professor Smith for all his help in giving me unlimited access to his research materials.

A：Excuse me,Miss Lin.Would you mind speaking up,please?I can't hear you very well.

B：Sorry,I'll try to speak louder.