第 1 题 · 六级
The two programs are incompatible with each other, which the technician has spent hours fixing.
核心词：incompatible ˌɪnkəmˈpætəbl adj. 不相容的
这两个程序互不兼容，技术员花了几个小时修复。
现在完成时主系表 + 介词短语 + which 从句（现在完成 + spend time doing）短语 be incompatible with短语 mutually incompatible
The two programs are ___ with each other, which the technician has spent hours fixing.
第 2 题 · 六级
The host gave us a hearty welcome, which the guests have remembered with warmth.
核心词：hearty ˈhɑːti adj. 热情友好的，丰盛的
主人热情地欢迎我们，宾客们心怀温暖地记住了。
现在完成时主谓 + 双宾 + 定语 + which 从句（现在完成 + with）短语 a hearty welcome短语 a hearty laugh
The host gave us a ___ welcome, which the guests have remembered with warmth.
第 3 题 · 六级
The heavy rain necessitated a change of plan, which the tired hikers have accepted calmly.
核心词：necessitate nəˈsesɪteɪt v. 使成为必要，需要
大雨使计划不得不改变，疲惫的徒步者们平静地接受了。
现在完成时主谓宾 + 介词短语 + which 从句（现在完成 + 副词）短语 necessitate a change短语 necessitate care
The heavy rain ___ a change of plan, which the tired hikers have accepted calmly.
