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（1）He goes to work on foot.(改为一般疑问句)
________ he ________ to ________ on foot?
（2）I'm going to visit_my_cousin next week.(对画线部分提问)
________ are you ________ to ________ next week?
（3）It comes from the_vapour.(对画线部分提问)
________ ________ it ________ from?
（4）I like swimming.(改为否定句)
I ________ ________ swimming.
（5）Is your pen pal a boy? Is your pen pal a girl？(合成一个句子)
Is your pen pal a boy ________ a girl?
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
