第 1 题 · 四级
The hospital needs more auxiliary equipment, which the government promised to provide.
核心词：auxiliary ɔːɡˈzɪliəri adj. 辅助的
医院需要更多辅助设备，政府承诺提供。
一般过去时主谓宾 + which 从句 + promise to do短语 auxiliary equipment短语 an auxiliary nurse
The hospital needs more ___ equipment, which the government promised to provide.
第 2 题 · 四级
He steered the boat carefully, which kept all the passengers safe.
核心词：steer stɪə v. 驾驶，掌舵
他小心地驾驶小船，让所有乘客都安全。
一般过去时主谓宾 + 副词 + which 从句 + keep sb adj短语 steer the boat短语 steer clear of
He ___ the boat carefully, which kept all the passengers safe.
第 3 题 · 四级
The clasp of her handbag was broken, which she noticed on the bus.
核心词：clasp klɑːsp n. 扣子，搭扣
她手提包的搭扣坏了，她在公交车上才发现。
一般过去时主系表 + which 从句短语 the clasp of短语 a metal clasp
The ___ of her handbag was broken, which she noticed on the bus.
