第 1 题 · 六级
The old man puffed as he climbed the stairs, which his grandson watched with concern.
核心词：puff pʌf v. 喘气；喷出
老人爬楼梯时气喘吁吁，孙子担心地看着。
一般过去时主谓 + 时间状语从句 + which 从句 + with concern短语 puff and pant短语 puff out
The old man ___ as he climbed the stairs, which his grandson watched with concern.
第 2 题 · 六级
The government is trying to eradicate the disease, which the doctors have treated for a decade.
核心词：eradicate ɪˈrædɪkeɪt v. 根除，消灭
政府正努力根除这种疾病，医生们已治疗了十年。
现在完成时现在进行时 + 主谓宾 + which 从句（现在完成 + 时段）短语 eradicate poverty短语 eradicate a disease
The government is trying to ___ the disease, which the doctors have treated for a decade.
第 3 题 · 六级
He gambled all his savings on the plan, which the wise advisor had warned him against.
核心词：gamble ˈɡæmbl v./n. 赌博，冒险
他把全部积蓄押在这个计划上，明智的顾问曾警告他不要这么做。
过去完成时主谓宾 + 介词短语 + which 从句（过去完成 + warn against）短语 gamble on短语 gamble away
He ___ all his savings on the plan, which the wise advisor had warned him against.
