1.当我看到他时,他正在打电话。
When I saw him, he _____________.
2.当他遇到我时,我正在练功夫。
I _____________arts when he _____________me.
3.当我听到这个消息时,他们正在看电视。
They _____________TV when I _____________the news.
4.当我看到她时,她正在地铁站接朋友。
When I _____________her, she was _____________her friend at the __________.
5.当我回到家时,我的父母亲在看杂志。
My parents _____________magazines when I _____________home.
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