The key answer of exercise 5
The key to exercise solutions in chapter 7e - Speaking skills for the textbook On Screen B1+ - Student's Book with authors Virginia Evans and Jenny Dooley from Express Publishing
Question
Work in pairs. Your friend wants to lose some weight and asks you for advice. You think he / she should join a gym. Act out a similar dialogue to the one in Ex. 3. Use the phrases in the box above and the ideas below.
Answer
A: I want to lose some weight. What do you think I should do?
B: Well, why don't you join a gym?
A: I don't know about that. Isn't it rather expensive?
B: Yes, it can be, but you would have access to all the fitness equipment and exercise advice from a trainer to help you so you would lose weight and get fit in a safe way.
A: Do you really think that would work? Doesn't it get overcrowded at peak times?
B: I agree there are disadvantages, but you could go in the morning before college.
A: I suppose you're right. Thanks for the advice!