第 1 题 · 六级
This cloth has a silky texture, which the designer praised for its smoothness.
核心词：texture ˈtekstʃə n. 质地，纹理
这种布具有丝绸般的质地，设计师称赞它光滑。
一般现在时主谓宾 + which 从句 + praise for短语 a silky texture短语 the texture of skin
This cloth has a silky ___, which the designer praised for its smoothness.
第 2 题 · 六级
The mortality rate of the disease has dropped sharply, which the new drugs have contributed to.
核心词：mortality mɔːˈtæləti n. 死亡率
这种疾病的死亡率大幅下降，新药起了作用。
现在完成时现在完成时 + 副词 + which 从句（现在完成 + contribute to）短语 the mortality rate短语 infant mortality
The ___ rate of the disease has dropped sharply, which the new drugs have contributed to.
第 3 题 · 六级
She grinned at the camera, her eyes sparkling, which the photographer captured at once.
核心词：grin ɡrɪn v. 咧嘴笑
她对着镜头咧嘴笑，眼睛闪闪发光，摄影师立刻抓拍了下来。
一般过去时主谓 + 介词短语 + 独立主格结构 + which 从句短语 grin at短语 grin from ear to ear
She ___ at the camera, her eyes sparkling, which the photographer captured at once.
