第 1 题 · 高考
He wore a watch on his wrist, which was a gift from his father.
核心词：wrist rɪst n. 手腕
他手腕上戴着一块手表，那是父亲送的礼物。
一般过去时which 定语从句短语 on one's wrist短语 a wrist watch
He wore a watch on his ___, which was a gift from his father.
第 2 题 · 高考
The dog has been a faithful companion for ten years, which makes the family happy.
核心词：companion kəmˈpæniən n. 同伴，伴侣
这只狗十年来一直是忠实的伙伴，这让全家人开心。
现在完成时现在完成时 + which 定语从句短语 a faithful companion短语 a companion for
The dog has been a faithful ___ for ten years, which makes the family happy.
第 3 题 · 高考
Bacteria can cause many diseases, so we should wash our hands often.
核心词：bacteria bækˈtɪəriə n. 细菌（复数）
细菌会引起许多疾病，所以我们应经常洗手。
一般现在时并列句短语 bacteria短语 wash hands
___ can cause many diseases, so we should wash our hands often.
