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题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 2 Saving the earth. Topic 3 What can we do to protectthe environment同步练习

If you want to be a green person, you ought __________ energy and ______ air pollution.

A、to save; reduce B、saves; reduces C、saved; reduced

举一反三

My teacher promised to ______ my suggestions, so I gave him some ______.

As a student, we should try what we can _______ our grades.

I wanted to see the Beijing Opera, so Lingling offered me to watch an opera.

This girl is ready ___ people at any time.

—Please tell the boy any noise. My baby is sleeping.

— Sorry. I will do it right now(马上).

I was invited {#blank#}1{#/blank#} (give) a talk.

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