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1. It's a very important festival in many countries.（改为一般疑问句）
_______ ________ a very important festival in many countries?
2. Christmas is on the 25th of December.（对划线部分提问）
_______ _______ Christmas?
3. My favourite festival is Halloween.（对划线部分提问）
_______ _______ _______ favourite festival?
4 . Thanksgiving comes every year.（改为一般疑问句）
_______ _______ _______ every year?
5. My father puts a Christmas tree in our home.（改为否定句）
My father _____ _______ a Christmas tree in our home.
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
