I'm not sure what to do during the holiday.I will p_____go to my homtown to see my grandparents.

I'm not sure what to do during the holiday.I will p_____go to my homtown to see my grandparents.
这个空会直接影响到句子的谓语，首先，肯定不能用planning,那样就没有谓语了。可用一个用来修饰动词go的副词，如：perhaps,possibly,probably等，或者就填planning to.

planing

probably