◎ 题干
With a lot of problems _____, the president is very busy every day and hasn't had a good rest.

[     ]

A. solving
B. to solve
C. solved
D. having solved
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“With a lot of problems _____, the president is very busy every day and hasn't had a good rest. [ ]A. solving B. to solve C. solved D. having solved …”主要考查了你对  【不定式】  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。