第 1 题 · 四级
The film was entertaining, which kept the audience laughing all through.
核心词：entertaining ˌentəˈteɪnɪŋ adj. 有趣的，娱乐的
这部电影很有趣，让观众从头笑到尾。
一般过去时主系表 + which 从句 + keep sb doing短语 an entertaining film短语 keep sb laughing
The film was ___, which kept the audience laughing all through.
第 2 题 · 四级
The city is multicultural, which gives people a chance to learn from each other.
核心词：multicultural ˌmʌltiˈkʌltʃərəl adj. 多元文化的
这座城市是多元文化的，让人们有机会互相学习。
一般现在时主系表 + which 从句 + a chance to do短语 a multicultural society短语 learn from each other
The city is ___, which gives people a chance to learn from each other.
第 3 题 · 四级
You can supplement your diet with vitamins, which keeps you healthy.
核心词：supplement ˈsʌplɪmənt n. 补充；v. 增补
你可以用维生素补充饮食，这让你保持健康。
一般现在时情态动词 + supplement sth with + which 从句短语 supplement with短语 a dietary supplement
You can ___ your diet with vitamins, which keeps you healthy.
