读一读，完成对话。
A. Here's a card you, Mum.        B. Have a cup of tea, Mum.
C. What can I do for Mum?         D. I love you too.
John: Today is Mother's Day.  Ah!
I have a good idea.
Mum: Thank you. This is a nice card. Ilike it.
John: Happy Mother's Day!
Mum: Thank you, my dear.
John: I love you, Mum!
Mum: