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1. I _____ (go) to the bookstore(书店) last Sunday, then I ______ (buy)many books. And I______ (carry) them on my bike.
2. My brother Lele ____ (fall) off his bed last night.
And he______ (bump) his head.
3. My mother ______ (cook) meat yesterday,
I_____ (have) lots of meat, so I_____ (have) a stomachache today.
4. What_____ (happen) to you, Xiaoyong?
I ______ (have) a fever.
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
