Mother's Day is coming ,but I'm not sure what () (buy) for my mother .用括号内的词语的适当形式填空

Mother's Day is coming ,but I'm not sure what () (buy) for my mother .
用括号内的词语的适当形式填空

空格里填【to buy】
原句意思是：母亲节要到了,但是我还没想好要给母亲买什么.
【欢迎追问,望采纳!】

to buy母亲节要到了，但是我还没想好要给母亲买什么

Mother's Day is coming , but I'm not sure what (to buy) for my mother .
Mother's Day is coming , but I'm not sure what (I will buy) for my mother .
Mother's Day is coming , but I'm not sure what (I shall buy) for my mother .
希望能帮到楼主。望采纳。欢迎追问，楼主加油！

to buy