—When _____ he first sing a song? —When he was three years old.
[ ]
A. did B. does C. is D. was
◎ 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“—When _____ he first sing a song?—When he was three years old.[ ]A. did B. does C. isD. was…”主要考查了你对 【助动词】,【一般过去时】 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“—When _____ he first sing a song?—When he was three years old.[ ]A. did B. does C. isD. was”考查相似的试题有: