补全对话：
请根据对话内容，在下面的空白处填入适当的词，使对话完整与正确。每空一词。
A: You look a bit worried, Tony. What’s the matter?
B: I’m getting heavier       heavier these days. What do you think I should do?
A: I’m afraid you should stop      too much and take some exercise.
B: Some of my friends have told me so, but I’m      busy to exercise.
A: Then      not join a club on weekends?
B: But what club can I join?
A: You can join a swimming club. You want to learn to swim, don’t you?
B: Yes, That sounds a good idea. Thank you.
A: You’re welcome. I hope it will      .