我们一大早就出发去远足了。

We ___set ___out on our hike early in the morning.

你计划什么时候动身去机场？

When do you plan to ___set ___out for the airport?

快速吃完早餐后，他们便动身开始了漫长的驾车回家之旅。

After a quick breakfast, they ___set ___out on the long drive home.