第 1 题 · 四级
The dress is elaborate, being covered with beautiful patterns and bright colours.
核心词：elaborate ɪˈlæbərət adj. 精心制作的
这件连衣裙做工精致，布满了精美的图案和鲜艳的色彩。
一般现在时主系表 + 现在分词状语 being covered with短语 elaborate patterns短语 elaborate on
The dress is ___, being covered with beautiful patterns and bright colours.
第 2 题 · 四级
You should visit the dental clinic regularly, because tooth problems grow silently.
核心词：dental ˈdentl adj. 牙齿的，牙科的
你应该定期看牙科诊所，因为牙齿问题会悄悄恶化。
一般现在时情态动词 should do + because 原因从句短语 dental care短语 a dental clinic
You should visit the ___ clinic regularly, because tooth problems grow silently.
第 3 题 · 四级
Scarcely had the teacher entered the room when the students stood up.
核心词：scarcely ˈskeəsli adv. 几乎不，一……就
老师一进教室，学生们就站了起来。
过去完成时倒装句 Scarcely had…when…（一……就……）短语 scarcely any短语 scarcely ever
___ had the teacher entered the room when the students stood up.
