题目内容
2. (2015 上海,39) Martin was so busy the old that he gave up his parttime job.
A. helping B. helped C. to help D. help
2. A
2. A句意:Martin如此忙着帮助老人以至于放弃了他的兼职工作。 本题考查非谓语动词。be busy doing sth.忙于做某事,所以答案为
A项。
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