Here are the answers for part A:
- Excuse me, do you know where the manager (1) is in this shop?
- Hi, I'm the new shop assistant (2) here. I'm looking forward to working with all of you.
- Can I speak to the cashier (3) about this vacuum cleaner?
- Excuse me, are you the security guard (4) for this building?
- Welcome to the jewellery shop (5). Can I assist you with anything?
- Welcome to the optician's (6). Have you been here before?
- I'm looking for a new pair of running shoes. Can you recommend any at this sports shop (7)?