25.—What ________ Mike and Helen ________(do) now?— They ________(have) lunch there.
26.—________ you ________(listen) to music? I hear someone is singing.
—Yes, I ________ ________(watch) TV.
—You should ________(be) quiet in the hospital. Can't you see the sign “Be quiet” anywhere in the hospital?
27.Most(大多数)people ________(cannot) talk and read when they were only 10 months old.
28.________ you ________( see) the sign yesterday? Who ________(put) it there?
29.—Where ________your uncle ________(go) this morning?
—He ________(go) to his factory. He ________(make) a lot of signs with his friends there.
—Which sign ________ he ________(make)?
—They all ________(make) the same signs: No ________(park). There are always a lot of cars around our house.
30.It's very late now. You should ________(go) home.
31.—What ________ your grandfather often________(do) after supper?
—He often ________(watch) TV.
32.The girl ________(say) to her bird every day. But the bird________(look) at her.
33.The weather became ________(rain) in the afternoon.
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