第 1 题 · 四级
The student solved the problem independently, which impressed his teacher.
核心词：independently ˌɪndɪˈpendəntli adv. 独立地
学生独立解决了问题，给老师留下深刻印象。
一般过去时过去式 + independently + which 从句 + impress短语 solve a problem短语 independently of
The student solved the problem ___, which impressed his teacher.
第 2 题 · 四级
The textile industry provides many jobs, which supports the local economy.
核心词：textile ˈtekstaɪl n. 纺织品
纺织工业提供许多就业机会，支撑当地经济。
一般现在时主谓宾 + which 从句短语 the textile industry短语 textile products
The ___ industry provides many jobs, which supports the local economy.
第 3 题 · 四级
The emergence of the new technology changed the market, which traders watched closely.
核心词：emergence ɪˈmɜːdʒəns n. 出现，发生
新技术的出现改变了市场，交易者们密切关注。
一般过去时主谓宾 + which 从句 + watch closely短语 the emergence of短语 watch closely
The ___ of the new technology changed the market, which traders watched closely.
