I am sorry you've been waiting so long, but it'll still be some time ________ the professor gets back.
[ ]
A. since B. till C. before D. after
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
根据n多题专家分析,试题“I am sorry you've been waiting so long, but it'll still be some time ________ the professor gets back. [ ]A. sinceB. tillC. beforeD. after…”主要考查了你对 【从属连词】 等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。
◎ 相似题
与“I am sorry you've been waiting so long, but it'll still be some time ________ the professor gets back. [ ]A. sinceB. tillC. beforeD. after”考查相似的试题有: