Dan and Victor___(出发）early so that they could arrive there on time.
问题描述：
Dan and Victor___(出发）early so that they could arrive there on time.
答
Dan and Victor【set】【off】early so that they could arrive there on time.
Dan and Victor【set】【out】early so that they could arrive there on time.
Dan and Victor【started】【off】early so that they could arrive there on time.
Dan and Victor【depart】early so that they could arrive there on time.
Dan and Victor【left】early so that they could arrive there on time.