My mum is going to buy a new car. 改成同义词快！我很急！！！！！！！！！！！！！！！！！！！！！！！！我还有一个小时，骗你我是狗！
网友回答
My mum will buy a new car.
be going to 是“将要”的意思.与will同意
======以下答案可供参考======
供参考答案1:
My mum will buy a new car。
供参考答案2:
My mum want to buy a new car.
供参考答案3:
my mum intend to buy a new car.