◎ 题干
The manager was worried about the press conference his assistant ________ in his place, but luckily,
everything was going on smoothly.
[     ]
A. gave  
B. gives
C. was giving  
D. had given
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The manager was worried about the press conference his assistant ________ in his place, but luckily, everything was going on smoothly.[ ]A. gaveB. givesC. wa…”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。