Question

【题目】It is impolite to talk ________ to the elders. Instead, we should love and respect them.

Answer 1

【答案】back

【解析】

句意为：对长辈________是不礼貌的。相反，我们应该爱护和尊敬他们。此处考查固定搭配talk back，顶嘴。故填back。