问题
填空题
The passage in Step Three suggests that it’s a good idea to leave markers, or a sign to ______.
答案
参考答案：help potential rescuers locate you
解析：第三步骤中的最后一条建议指出"As you go，it’s a good idea to leave markers，or a sign，to help potential rescuers locate you．”在你行进途中最好留下标记或记号可以使可能营救你的人找到你，由此可知此处该填help potential rescuers locate you。