Speaking IV (Interrupting)

Interrupting

This is link for the audio : http://www.eslgold.com/images/sp_interrupt.mp3

Interrupting politely

Excuse me,
Pardon me,
Sorry to interrupt,
May I interrupt (for a minute)?
Can I add something here?
I don't mean to intrude, but . . .
Could I inject something here?
Do you mind if I jump in here?

Getting back to the topic

Anyway,
Now, where was I?
Where were we?
What were you saying?
You were saying . . .
To get back to . . .