I feel so excited! At this time tomorrow I by camel with local guides in Northern Africa

问题补充：

I feel so excited! At this time tomorrow, I by camel with local guides in Northern Africa.

A. travel

B. travelled

C. will be travelling

D. have travelled

答案：

A. travel

B. travelled

(答案→)C. will be travelling

D. have travelled

解析：表示从现在算起的将来某一时间正在进行的动作或按计划、安排将要进行的动作，用现在将来进行时。常与this time tomorrow, at 10 o’clock next Monday 等时间状语连用，正如题目所示。