写出I buy a present for my mother on Mother's day的同义句 I buy ____on mother's day
问题描述：
写出I buy a present for my mother on Mother's day的同义句 I buy ____on mother's day
注意，前面的句子就要转化成后面的形式
答
I buy a present for my mother on Mother's day.=
I buy my mother a present on Mother's day.