Shewilltelluswhyshefeelssostrongthateachofushas  arole

問題詳情：

She will tell us why she feels so strong that each of us has   a role________in making the earth a better place to live in.

A．to have played  　                B．to play

C．to be played 　                   D．to be playing

【回答】

B

知識點：非謂語動詞

題型：選擇題