We should bring our own shopping bags, and stop _________ plastic bags. (    )
A.to useB.usingC.use
当前题号:1 | 题型:选择题 | 难度:0.99
用所给词的正确形式填空。
【小题1】We should stop _________ (throw) rubbish into rivers.
【小题2】In the past, the Earth _________ (be) clean and beautiful.
【小题3】My brother is __________ (plant) trees in the backyard.
【小题4】The Earth __________(get) sick now.
【小题5】We shouldn’t __________ (cut) down so many trees.
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We shouldn’t _________ rubbish into rivers. (    )
A.pick upB.throwingC.throw
当前题号:3 | 题型:选择题 | 难度:0.99
We __________ water to __________ clothes. (    )
A.use; washB.using; washingC.use; washed
当前题号:4 | 题型:选择题 | 难度:0.99
用所给词的正确形式填空。
【小题1】He _________ (have to) stay at home because it is raining outside.
【小题2】Kitty, please don’t _________ (play) with fire!
【小题3】The paper is _________ (make) from wood.
【小题4】The tree in front of my house _________ (keep) the air clean.
当前题号:5 | 题型:填空题 | 难度:0.99
I _________ finish my homework first. (    )
A.have toB.needs toC.mustn’t
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Mr Yang __________ many oranges __________ the orange trees yesterday. (    )
A.get; ofB.get; fromC.got; from
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________ do we need ________? (   )
A.What; to buyB.When; to buy
C.How; to buyD.Where; to buy
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I need Amy ______ me. Where’s she now? (   )
A.helpB.helpingC.helpsD.to help
当前题号:9 | 题型:选择题 | 难度:0.99
Trees ________ the air clean. (    )
A.keepsB.keepC.kept
当前题号:10 | 题型:选择题 | 难度:0.99