第 1 题 · 六级
He pleaded with his mother to let him go, which she finally agreed to do.
核心词：plead pliːd v. 恳求；辩护
他恳求母亲让他去，她最终同意了。
一般过去时主谓 + 介词短语 + 不定式宾补 + which 从句短语 plead with sb to do短语 plead for
He ___ with his mother to let him go, which she finally agreed to do.
第 2 题 · 六级
The medical corps set up a field hospital, which the injured soldiers were rushed to.
核心词：corps kɔː n. 军团，队，一组
医疗队建起了野战医院，受伤的士兵被紧急送往那里。
一般过去时主谓 + 短语动词 + which 从句（被动）短语 the medical corps短语 a peace corps
The medical ___ set up a field hospital, which the injured soldiers were rushed to.
第 3 题 · 六级
The doctrine has shaped the country’s policy for centuries, which the scholars examine in detail.
核心词：doctrine ˈdɒktrɪn n. 教义，主义，学说
这一学说塑造了该国数百年的政策，学者们详细研究它。
现在完成时现在完成时 + 介词短语 + which 从句短语 a political doctrine短语 religious doctrine
The ___ has shaped the country’s policy for centuries, which the scholars examine in detail.
