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（1）It was very cold that day.I had to ________ (put) my coat on.
（2）I ________ (read) an interesting book yesterday evening.
（3）My mother ________ (bring) many gifts from Shanghai on her last holiday.
（4）They ________ (dig) a big hole in the ground yesterday.
（5）We ________ (take) many pictures when we were on the mountains.
（6）The farmers ________ (water) the plants every day.
（7）I ________ (want) to be a scientist when I was a young girl.
（8）Amy ________ (go) to Japan by plane last year.
（9）We always ________ (plant) many trees on Tree Planting Day.
（10）______ (do) you go to the park last Sunday?
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
