填空,补全对话 A:Hi ,Maria Did you go to the concert last night B:Y

A:Hi,Maria!Did you go to the concert last night?
B:Yes,I went there (with) my classmates.
A:How did you (like) it?
B:Wonderful.Many famous singers sang at the concert.It was “Saving the Children”.
A:What does it mean?
B:The concert was held for collecting money poor children.You know many children in the world don’t have (enough) food.They are starving.
A:That’s true.
B:I think people all over the world should (help) them.
A:That’s right!
再问： B:The concert was held for collecting money（ ） poor children. You know many children in the world don’t have (enough) food. They are starving.
再答： B:The concert was held for collecting money (for) poor children. You know many children in the world don’t have (enough) food. They are starving.