问题
单项选择题
No one, except his two best friends, ______ where he is.
A.know
B.knows
C.to know
D.knowing
答案
参考答案:B
解析: 如果主语为单数,尽管后面有with,together with,as well as,no less than,like,but,expect等介词,但这样的介词短语相当于修饰主语的定语成分,所以谓语动词仍用单数,故选B。