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1. Alan often has a walk with his mother in the park. (用now替换often改写句子)
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2. Lucy and Lily are swimming in the lake now. (改为否定句)
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3. I am watering the flowers in the garden. (改为否定句)
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4. My grandfather is listening to the radio. (改为一般疑问句)
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5. Daniel and Simon are shopping in the new shop. (改为一般疑问句)
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6. The shorts are fifty yuan. (对划线部分提问)
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7. These are wool skirts.（改为同义句）
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8. My mother does housework in the evening every day.（改为否定句）
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9. Does Millie often swim in the river?（用now 改写）
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10. The glasses are made of glass. (对划线部分提问)
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同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
