题目内容：

根据对话内容，从方框中选出适当的选项补全对话

A： You look unhappy. 1._____________

B： I don’t know what to do on weekends.

A： I have a good idea. 2._____________

B： Sure， I’d love to.

A： We’re going to the old people’s home this weekend. You can join us.

B： OK. 3._____________

A： You’re so good at reading. You can read newspapers to the old people.

B： Sounds great! 4.____________

A： No problem.

B： See you.

A： See you then.

A. What can I do there? B. Could you please call me up at that time? C. What’s the matter? D. Would you like to be a volunteer?