Here are the best answers to complete the conversations:

1. A: Would you like some help to lift that heavy suitcase up?
B: **a. Yes, with pleasure.**

2. A: Oh no! The bus drivers are on strike today.
B: **b. Let’s go to work by bus.**

3. A: Mum, are you doing the housework?
B: **c. Yes. Can you vacuum the floor for me?**

4. A: Good evening! How’s it going?
B: **a. Not bad. I’ve been so busy this week, though.**

5. A: I can take you to a popular BBQ restaurant if you like.
B: **a. You’re welcome. It’s my pleasure. That would be great, thanks!**