看图片完成对话。
A: When is your birthday?
B: My birthday is on{#blank#}1{#/blank#}.
A: What will you do on your birthday?
B: I'll {#blank#}2{#/blank#}.
A: Cool! When is your mother's birthday?
B: It's on{#blank#}3{#/blank#}.
A: What will you do for your mother?
B: I'll{#blank#}4{#/blank#}.（为她做蛋糕）
A: Great!
