1. Mr. Smith and Mrs. Smith ________ (is / are) in the same school. Mr. Smith ________ (teacher / teaches) English, but his wife__________ (doesn’t / don’t.).
2. There are 50 students in our class. Mike is the ________(taller / tallest) of us.
3. Liu Ming _______(were / is) a student. He ________ (studies / studying) in our school.
4. Mr. White and his daughter, Ann, ________(is standing / are standing) under a big tree now.
5. The ________ (American / America) boy is new here. We should be ________(friends / friendly) to ________(his / him).

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

