根据下面的对话情境，在空白处填上一个适当的句子，使得对话完整。

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/31 07:19:18

根据下面的对话情境，在空白处填上一个适当的句子，使得对话完整。
T: Hi, Long Yufeng! You look so sad. 小题1:                             ?
A: I failed the English exam.
T: 小题2:                     . But you don’t need to worried about it all the time.
A: I really don’t know how to study English well. 小题3:                          ?
T: I think you’d better study in a group.
A: Oh, 小题4:                      . Could I join your group?
T: Of course you can. And we can learn from each other.
A: Sounds good. 小题5:                  ?
T: You can join it tomorrow, if you like.
A: That’s very kind of you.

小题1:What’s wrong /the matter with you?

小题2:I am sorry to hear that.

小题3:What should I do?

小题4:That’s a good idea./Good idea.

小题5:When can I join it ?