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（1）I like _______________（中国的）dancing.
（2）He_________________ （发明）this bicycle in 1839.
（3）He __________ （步行）to school yesterday.
（4）We ______________（吃）a watermelon yesterday.
（5）But he didn’t _____________（来）back.
（6）Lingling went to a shop and____________（买）a present.
（7）I ________（帮助）my mum yesterday.
（8）This girl won a gold ____________ （奖杯）.
（9）Did you ______________（骑）your bike？
（10）What’s the __________________（麻烦事）?
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
