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1. –When _______ you _________ (come) to China?
--Last year.
2. Did she ________ (have) supper at home?
3. Jack ____________ (not clean) the room just now.
4. _________ (be) it cold in your city yesterday?
5.How many people ________ (be) there in your class last term?
6.It ________ (be) hot yesterday and most children _______ (be) outside.
7. There ________ (be) a football match on TV yesterday evening, but I _________ (have) no time to watch it.
8. He ate some bread and _________ (drink) some milk.
9. ________ he __________ (finish) his homework last night?
10. I__________(be) tired 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
