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1. You mustn't leave rubbish on the ground. (保持原意不变)
________ leave rubbish on the ground.
2. We mustn't bring balls into the class building. (对划线部分提问)
________ ________ we do?
3. There isn't anything on his desk. (保持原意不变)
There________ ________ on his desk.
4. We have rules in the library. (改为否定句)
We ________ ________ rules in the library.
5. The book on the left is mine. (对划线部分提问)
________ ________ is yours?
6. They will take a train to Beijing. (保持原意不变)
They will go to Beijing ________ ________.
7. Parents will look at our noticeboard at 11 o'clock. (对划线部分提问)
________ ________ parents do at 11 o'clock?
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
