第 1 题 · 六级
Alas, the old man lost his way in the forest, which the search party finally found after two days.
核心词：alas əˈlæs int. 唉，哎呀
唉，老人在森林里迷了路，搜救队两天后才找到他。
一般过去时感叹词 + 主谓宾 + 介词短语 + which 从句短语 alas for短语 alas, the end
___, the old man lost his way in the forest, which the search party finally found after two days.
第 2 题 · 六级
Every contestant answered the question, which the host had carefully prepared.
核心词：contestant kənˈtestənt n. 参赛者
每位参赛者都回答了问题，主持人精心准备过。
过去完成时主谓宾 + which 从句（过去完成 + 副词）短语 a quiz contestant短语 the winning contestant
Every ___ answered the question, which the host had carefully prepared.
第 3 题 · 六级
Did you turn off the heater before leaving, which the safety rules require everyone to do?
核心词：heater ˈhiːtə n. 加热器
离开前你关掉加热器了吗？安全规则要求每个人都这样做。
一般过去时一般疑问句 + 时间状语 + which 从句 + require sb to do短语 turn off the heater短语 an electric heater
Did you turn off the ___ before leaving, which the safety rules require everyone to do?
