第 1 题 · 六级
She wrung the water out of her wet clothes, which the tired traveler has done many times.
核心词：wring rɪŋ v. 拧，绞，榨
她拧干湿衣服里的水，疲惫的旅行者已做过很多次。
现在完成时主谓宾 + 介词短语 + which 从句（现在完成 + 频度）短语 wring out短语 wring one’s hands
She ___ the water out of her wet clothes, which the tired traveler has done many times.
第 2 题 · 六级
The surgeons transplanted a new kidney into the patient, which the whole team has prepared for months.
核心词：transplant trænsˈplɑːnt v. 移植
外科医生给病人移植了一颗新肾脏，整个团队已准备数月。
现在完成时主谓宾 + 定语 + 介词短语 + which 从句（现在完成 + 时段）短语 an organ transplant短语 transplant a plant
The surgeons ___ a new kidney into the patient, which the whole team has prepared for months.
第 3 题 · 六级
The boiler heats the whole building, which the workers have checked before winter comes.
核心词：boiler ˈbɔɪlə n. 锅炉
锅炉为整栋楼供暖，工人们在冬天来临前已检查。
现在完成时主谓宾 + which 从句（现在完成 + 时间状语从句）短语 a steam boiler短语 the boiler room
The ___ heats the whole building, which the workers have checked before winter comes.
