please remeber( buy )a new bike tomorrow是buy h还是to buy 、 buying \ buys

please remeber( buy )a new bike tomorrow是buy h还是to buy 、 buying \ buys
please remeber( buy )a new bike tomorrow
是buy h还是to buy 、 buying \ buys

please remeber( buy )a new bike tomorrow是buy h还是to buy 、 buying \ buys
to buy, 表示将来的用不定时.
跟什么句没有关系,这个考的就是两个短语 remember doing sth 表示记得（过去）做过某事,remember to do sth表示记得（将来）要做某事,一个表示过去,一个表示将来,上题中有tomorrow,所以表示将来,全文意思就是 请记得明天要买一辆新车哦