he____(plan)to take a vacation in italy three days ago.说理由
问题描述：
he____(plan)to take a vacation in italy three days ago.
说理由
答
过去式,因为three days ago。
planned
答
planned
答
planned, 因为three days ago，三天前必须用过去式，plan的过去式必需双写。
答
he planed to take a vacation in Italy three days ago.
答
planed
根据 three days ago可知用过去式