There are many people who have alike yours but they don’t believe they have the power to

问题补充：

There are many people who have alike yours, but they don’t believe they have the power to do anything to improve our environment.

A. settlement

B. commitment

C. disagreement

D. equipment

答案：

A. settlement

(答案→)B. commitment

C. disagreement

D. equipment

解析：考查名词。A．settlement解决；B．commitment承诺，保证；C．disagreement不同意；D．equipment装备。句意：有许多人像你一样有承诺，但他们不相信有能力做任何事情来改善我们的环境。故B正确。