b) Mrs Bell is buy ice cream for her children
B: Hello. Can I help you?
A: Yes, I've got a problem with my tablet PC and I only bought it recently.
B: What seems to be the problem?
A: It keeps switching off by itself.
B: Yes, go ahead. Can I have a look?
A: Thank you. I see. We'll have to send it away for someone to look at it.
B: How long will it take?
A: About 10 working days.
B: Oh, all right then. Can I have your name and number?
A: Yes, sure. It's Josh Hall and my number is 020 7781 2344.
B: Okay, Josh. We'll contact you when it's ready.
A: That's great! Thank you for your help.
B: You're welcome.
a)N+To be+Ving+
правильно a