2 Use sentences from Ex. 1b to complete the dialogue. Listen and check.

Cathy: Mark, do you have a minute?
Mark: Sure. What's up?
Cathy: Can you help me send an email?
Mark: Of course. This is how you can send an email. First, open your email client.
Cathy: Okay, I've done that.
Mark: Now connect to the Internet.
Cathy: I'm connected.
Mark: Great. Make sure you click on 'send' when you finish writing.