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（1）They're David and Sam. These are (they, their）desk.
（2）Jim is a student. (his, he）bag is green.
（3）Put (on, off）your clothes, Jenny.
（4）Happy birthday! This present is (for, to）you.
（5）I go to school ( by, on）bus.
（6）Go (straight, along）this street and turn right.
（7）Look ! My sister _________ ( plays, is playing ）with the toy cars.
（8）I _______ ( get,got ）up at 6:30 every morning.
（9）Tom’s mother _______ (have,has）a nice jacket.
（10）Can you _______ (make,making ）a paper plane for me ?
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
