___ countless failures, the scientist finally succeeded in discovering the chemical substance.
[ ]
A. Suffered B. Being suffered C. To suffer D. Having suffered
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
根据魔方格专家分析,试题“___ countless failures, the scientist finally succeeded in discovering the chemical substance. [ ]A. SufferedB. Being sufferedC. To sufferD. Having suffered…”主要考查了你对 【现在分词的完成式】 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“___ countless failures, the scientist finally succeeded in discovering the chemical substance. [ ]A. SufferedB. Being sufferedC. To sufferD. Having suffered”考查相似的试题有: