1 . 农场周围的风景美极了，那里的空气呼吸起来非常好。(be＋adj.＋to do)
The surrounding scenery of the farm was very wonderful, and________ .
The surrounding scenery of the farm was very wonderful, and
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2 . 该是我们采取措施阻止空气污染的时候了。(keep...from)
It is high time that we took measures to_____________ .
It is high time that we took measures to
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3 . 动植物都要呼吸空气,所以我们完全可以断言月球上没有生命。
As all animals and plants___________ , we can be quite sure there is no life on the moon.
As all animals and plants
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2023-06-08更新
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9次组卷
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3卷引用：Unit 5 Section B同步练习 2022—2023学年北师大版（2019）高中英语必修第二册
4 . Open the windows and _____ the room. Let’s breath fresh air.
| A．air | B．to clear |
| C．to air | D．clearing |
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