第 1 题 · 六级
The runner quickened his pace near the end, which the excited coach has noticed with joy.
核心词：quicken ˈkwɪkən v. 加快
赛跑者在接近终点时加快了步伐，兴奋的教练欣喜地注意到。
现在完成时主谓宾 + 介词短语 + which 从句（现在完成 + with joy）短语 quicken one’s pace短语 quicken the process
The runner ___ his pace near the end, which the excited coach has noticed with joy.
第 2 题 · 六级
The old superstition says that walking under a ladder is unlucky, which the young boy has never believed.
核心词：superstition ˌsuːpəˈstɪʃn n. 迷信
古老的迷信说从梯子下走过会倒霉，小男孩从未相信过。
现在完成时主谓 + 宾语从句 + 动名词作主语 + which 从句（现在完成否定）短语 an old superstition短语 believe in superstition
The old ___ says that walking under a ladder is unlucky, which the young boy has never believed.
第 3 题 · 六级
The strong smell repelled the visitors, which the careful host has tried hard to remove.
核心词：repel rɪˈpel v. 使厌恶；击退
强烈的气味让参观者反感，细心的主人努力清除。
现在完成时主谓宾 + which 从句（现在完成 + try to）短语 repel an attack短语 repel insects
The strong smell ___ the visitors, which the careful host has tried hard to remove.
