This is a stamp.（改为复数）

There are 13 candles on the cake.（对画线部分提问）

Zhang Fang gives him a beautiful birthday card.（改为同义句）

His birthday is on October 12.（对画线部分提问）

Mike's good friends come to Mike's birthday party.（对画线部分提问）

补全对话

A: Hi, Mary. 1 ?

B: Fine, thank you. And you?

A: I am fine, too. 2 ?

B: Yes.

A: So when is it?

B: 3 .

A :Oh, it's just on this Saturday. Are you going to give a birthday party?

B: Yes. 4 .

A: Good. 5 .

B: I'd like birthday cakes, stationery and small ones.

A: 6 .

B: Of course. I should have invited you this morning but 7 .

A: Oh, thank you. I will go to your home on time.

B: Ok.