按要求改写句子。
[[QOrDeR]]There is a tree in front of my house.(把句子变为复数形式)
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【小题2】I can do housework at home.(变为否定句)
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【小题3】Is there a bridge over the river? (作否定回答)
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【小题4】Zoom often washes clothes in Saturdays. (写出正确的句子)
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【小题5】The robot can clean the room.(改为一般疑问句)
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