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1. He _____ (visit) the Great Wall last year.
2. We________ (have) a good time yesterday.
3. We often _______ (go) to school by bus last year.
4. I ________ (live) in the village when I was a child.
5. Mike______ (see) a big tiger in the nature park last year.
6. Sam_____ (do) the housework yesterday.
7. ______ (do) you _______(enjoy) yourself yesterday?
8. ______ (do)you _________(play) the violin in the art room yesterday?
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
