题目内容：

When he arrived at the a___ ,he was just in time to see the plane t___ off.

优质解答

楼上答案只对一半.第一个：airport,第二个应该是：take .要用不定式(infinitive) take,不可用现在分词(present participle) taking .如：We arrived at Kennedy Airport - just in time to watch our plane take off...