问题
选择题
How many of us _______, say,a meeting that is not important to us would be interested in the discussion?
A．attended
B．attending
C．to attend
D．have attended
答案
B
此题中动词say为插入语，不影响句子结构，如果去掉它，我们便可清楚地看到选项动词用作介词of的宾语，us为其逻辑主语，故应选用其动名词形式，构成How many of us attending a meeting that is not...?