Definition: When an event kicks off, it begins. Level: C2
游行什么时候开始？
What time does the parade ___kick ___off?
蒸汽机的发明真正开启了工业革命。
The invention of the steam engine really ___kicked ___off the Industrial Revolution.
年度会议将以首席执行官的主题演讲拉开序幕。
The annual conference will ___kick ___off with a keynote speech from the CEO.
