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[[QOrDeR]]My mother bought me a nice doll as my birthday present.
My mother bought a nice doll __________ __________ as my birthday present.
【小题2】I don't go to school on Saturdays and Sundays.
I don't go to school __________ __________ __________.
【小题3】He is in Grade one. She is in Grade one, too.
__________ are in the __________ grade.
【小题4】I walked to school this morning.
I __________ to school __________ __________ this morning.
【小题5】I have two pencils in my pencil box.
__________ __________ two pencils in my pencil box.
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
