Definition: to react to something that someone does or says by doing or saying the same Level: C1
我回报了他的微笑。
I ___returned his smile.
我必须回迈克尔的电话。
I must ___return Michael's call.
我仍然无法理解为什么她从不回我的电话。
I still can't understand why she never ___returned my calls.