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1. He is very ________ (friend) to us.
2. This book is very ________ (use) to me.
3. We have air ________ (pollute) round us.
4. What about ________ (go) shopping this afternoon?
5. ________ (They) mother is a doctor in this hospital.
6. We can ________ (use) these shopping bags again.
7. I want to go ________ (shop) with my uncle.
8. Let's have a ________ (discuss) tomorrow afternoon.
9. Can they talk to ________ (we) tonight?
10. She never tells ________ (lie) to us. She is an honest girl.
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
