第 1 题 · 高考
The mice are a serious pest to the farmers, because they eat the stored grain.
核心词：pest pest n. 害虫，有害生物
老鼠是农民的严重害虫，因为它们吃储存的粮食。
一般现在时原因状语从句短语 a pest短语 pest control
The mice are a serious ___ to the farmers, because they eat the stored grain.
第 2 题 · 高考
The monument is made of granite, which has stood for over a hundred years.
核心词：granite ˈɡrænɪt n. 花岗岩
这座纪念碑由花岗岩建成，已经矗立了一百多年。
现在完成时现在完成时 + be made of + which 从句短语 granite短语 a granite rock
The monument is made of ___, which has stood for over a hundred years.
第 3 题 · 高考
The squirrel is storing nuts for winter, which is a smart habit of these animals.
核心词：squirrel ˈskwɪrəl n. 松鼠
松鼠在为冬天储存坚果，这是这些动物聪明的习惯。
现在进行时现在进行时 + which 定语从句短语 a squirrel短语 store nuts
The ___ is storing nuts for winter, which is a smart habit of these animals.
