摘要:Professor Smith, along with his assistants, on the project day and night to meet the deadline. A. work B. working C. is working D. are working 答案:C 命题立意:检查考生对主谓一致的掌握和运用能力. 试题解析: Professor Smith决定谓语动词的数,his assistants和谓语动词的数无关.

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