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（1）You are a pupil. Is ________ brother a pupil, too?
（2）Mary works in a book store. ________ likes work very much.
（3）John and I are in the same school. ________ go to school together.
（4）She is a friend of ________. We got to know each other two years ago.
（5） I have many friends. Some of ________ are good at English.
（6） —May I use bike?
—Sorry, ________ is broken.
（7）Don’t put your school things here. Put ________ away.
（8）We can’t find our shoes. Can you help ________?
（9）These are not my planes. You should ask them. Maybe they are ________.
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
