搜索
（1）It often _________ (rain) here in spring , but it _________(not rain) last week.
（2）Look out ! The bus __________(come).
（3）There __________ (be) a food festival at school yesterday.
The children _______(be) excited. They ___________ (eat) a lot.
（4）Miss Li _________(teach) us English. We all like her very much.
（5）Jim often asks his mother ________(read) stories for him.
（6）—Did you __________(call) me yesterday?
--Yes, but you weren’t at home.
（7）—What did you do on the farm?
--I_________(play) with the ducks. It was great fun.
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
