USE IT! Work in pairs. Read the situation. Then prepare and practise a new dialogue using the key phrases and the dialogue in exercise 1 to help you.
Student A: You see a friend in a shop. He/ She asks for your opinion. You're not sure, so you show your friend something different.
Student B: You meet a friend in a shop. You want his / her opinion on something you're thinking of buying. Listen to your friend's suggestion. You think it's too expensive, so suggest going to another shop.