Question

【题目】—What is Tony doing?
—He(eat)some fruit.

Answer 1

【答案】is eating
【解析】问句What is Tony doing?用了现在进行时，故答句也需要用现在进行时，主语是He，故填 is eating。句意是：——托尼在干什么？他正在吃一些水果。