第 1 题 · 高考
She put fresh flowers in the vase, which made the room smell pleasant.
核心词：vase vɑːz n. 花瓶
她往花瓶里插了鲜花，让房间气味宜人。
一般过去时make sb/sth do + which 定语从句短语 a vase短语 a flower vase
She put fresh flowers in the ___, which made the room smell pleasant.
第 2 题 · 高考
The universe is infinite, which makes it impossible for us to see its end.
核心词：infinite ˈɪnfɪnət adj. 无限的
宇宙是无限的，这让我们无法看到它的尽头。
一般现在时make it + adj. + to do短语 infinite space短语 an infinite number
The universe is ___, which makes it impossible for us to see its end.
第 3 题 · 高考
The whole nation mourned the hero, who had saved many lives in the fire.
核心词：mourn mɔːn vt. 哀悼
全国人民哀悼这位英雄，他在火灾中救了许多人。
过去完成时过去完成时 + who 定语从句短语 mourn for短语 mourn the loss
The whole nation ___ the hero, who had saved many lives in the fire.
