◎ 题干
Mr. Li _____ us a report on our environment when the earthquake happened in Japan.

[     ]

A. gave
B. is giving
C. was giving
◎ 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“Mr. Li _____ us a report on our environment when the earthquake happened in Japan. [ ]A. gave B. is giving C. was giving …”主要考查了你对  【过去进行时】  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。