Shefeelssostronglythateachofusshouldhavearole

问题详情：

She feels so strongly that each of us should have 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

知识点：非谓语动词

题型：选择题