- 二一组卷

题型：单选题题类：常考题难易度：普通

北师大版英语九年级全册 Unit 9 Save the Planet. Lesson 26 Our River.同步练习

Today the forests are getting fewer and fewer. We must ________down too many trees.

A、keep people cutting B、prevent people from cutting C、stop people to cut D、prevent people to cutting

举一反三

— I was unaware of the danger.

— I got there________, because it is only 1.5 kilometers.

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