从方框中选择最佳选项完成对话, 有两项多余。

a. What should I do?

b. It's wonderful.

c. Could I join your group?

d. What's wrong?

e. I'm sorry to hear that.

f. How do you learn English?

g. Tomorrow if you like.

Tom: Hi! Alice, you look so sad. ____.

Alice: I failed in the English exam.

Tom:____But you don't need to worry about it all the time.  

Alice: I really don't know how to study English well.____

Tom: I think you'd better study with a group.

Alice: Oh, that's a good idea.____

Tom: Certainly. And we can learn from each other.

Alice: Sounds good. When can I join you?

Tom:____

Alice: That's very kind of you.

根据句意和中文提示完成单词。

如图所示是生活中常用来固定房门的“门吸”，它由磁铁和金属两部分组成。该金属能被磁铁吸引，是因为可能含有以下材料中的

将都城迁到殷（今安阳）的商朝君主是（　　）