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（1）There are some birds in the sky. (变为否定句)
There ______ ______ birds in the sky.
（2）There’s a little dog under the tree. (变为一般疑问句)
______ ______ a little dog under the tree ?
（3）Her shoes arewhite. (就划线部分提问)
______ ______ are her shoes?
（4）There’s a map on the wall. (就划线部分提问)
______ ______ on the wall?
（5）There’re twenty-five boys in the class. (就划线部分提问)
______ ______ boys are there in the class?
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
