请问一道英语题2012.12.31.21
问题描述：
请问一道英语题2012.12.31.21
21、37.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?
请问这道题怎么选,为什么
答
选c.因为along with 是定语修饰Professor Smith,补充当主语的作用.所以此处选单数.A/D复数.B错误.
类似的短语还有with,along with,together with,as well as,besides,like,without,except (but),including