问题
选择题
(2013·兰州名校二模)She will tell us why she feels so strongly that each of us has a role ________ in making the earth a better place to live in.
A．to have played
B．played
C．playing
D．to play
答案
答案：D
选D 考查非谓语动词。play的逻辑主语是each of us，此处用不定式的一般式作后置定语。