Question

---If each of us__________ the environment, the world will become more beautiful.
---I agree with you.
A. takes measure to protect
B. make a contribution to protecting
C. makes a contribution to protect

Answer 1

A

解析试题分析：句意:——如果我们每个人都采取措施来保护我们的环境，世界将会变得更加美好。——我同意你的意见。主句将来时，if应到的从句用一般现在是。each of us 我们中的每个人，做主语谓语动词用第三人称单数。A. takes measure to protect 采取措施保护……。根据语意故答案选A。
考点：考查时态和动词短语。