1. We learned that some birds_________ (fly) to the north in spring.
2. I have _________ (good) mum in the world.
3. When the north wind_________ (blow), it is cold.
4. Welcome to our _________ (child) Day _________ (perform).
5. We _________ (go) to the museum last week.
6. Please _________ (read) it again, Tom.
7. They will do _________ (they) best and _________ (pass) the exams.
8. They _________ (live) in England for five years.
9. After autumn _________ (come) winter.
10. Amy_________ (study) for her maths exam now.
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