第10题: [单项选择]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 参考答案:C 答案解析:此题考查的是主谓一致。在有along with 的情况下,谓语动词要与之前的主语保持一致,而不是along with 的后面部分,故此处应和Professor Smith 保持一致,用is worki