第 1 题 · 六级
A sudden hush fell over the crowd, which the speaker took as a sign of respect.
核心词：hush hʌʃ n. 沉默，安静；v. 使安静
人群突然安静下来，演讲者把这当作尊重的表示。
一般过去时主谓 + 介词短语 + which 从句 + take as短语 a sudden hush短语 hush up
A sudden ___ fell over the crowd, which the speaker took as a sign of respect.
第 2 题 · 六级
The files are arranged in alphabetical order, which makes them easy to look up.
核心词：alphabetical ˌælfəˈbetɪkl adj. 按字母表顺序的
文件按字母顺序排列，这样查找起来很方便。
一般现在时被动语态 + 介词短语 + which 从句 + make sth adj短语 in alphabetical order短语 an alphabetical index
The files are arranged in ___ order, which makes them easy to look up.
第 3 题 · 六级
The thief snatched her bag and ran off, which left her standing in shock.
核心词：snatch snætʃ v. 夺走，抢走；一把抓住
小偷抢走她的包逃跑了，留下她惊愕地站在原地。
一般过去时并列谓语 + which 从句 + leave sb doing短语 snatch at短语 snatch a glance
The thief ___ her bag and ran off, which left her standing in shock.
