比如有一道填空题,题目是Students need a front door key between _____and ______ . 主要路标词是need + key,而其对应的原文却是This door is closed and locked at 8 p. m., and is opened again at 7 a.m. So you will need the key between those times. 这里我们当然不能顺藤摸瓜填those times,实际上答案是给在了路标词前面,也就是8p.m. and 7a.m.。