save和protect用法 — 英语词汇题
题目
选词填空，从括号中选出正确的词填在横线上。1. We should ______ water to keep our planet clean. (save / protect) 2. Please ______ the trees, don't cut them down. (save / protect) 3. ______ energy, turn off the lights when you leave. (Save / Protect)