Question

【题目】We can protect our environment ________ rubbish into river or lakes.

A.fromB.by not throwing

C.from not throwingD.with throwing

Answer 1

【答案】C

【解析】

句意：我们可以保护我们的环境，不把垃圾扔到河里或湖里。

根据protect.from doing sth.使……免于（保护）= protect...against doing 防御，from后接能带来伤害或损害之物。根据句意可知，此空应填from not throwing，故选C。