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or me in the room for a long time. 16. Don’t play in the street. It’s too ____________(danger). plant 單元基礎(chǔ)鞏固 already dangerous 17. Ten years ago, people ________(pollute) the river and lots of fish dieD. 18. There are a few _________(factory)next to our school. polluted 單元基礎(chǔ)鞏固 factories 19. Look, those cars are all in different _________(shape). 20. He is going to _________(building)some schools for poor children. shapes 單元基礎(chǔ)鞏固 build 三、完成句子,詞數(shù)不限。 two hundreds D. hundred。 two hundred B. hundred。 boring D. boring。 bored B. bored。 fewer D. fewer。 little B. a fe