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(1)These postcards ______ great. This _____ the Great Wall
(2)_____ you a driver? Yes, I _____.
(3)He ____ going to visit his grandpa.
(4)Mexico ______ in the west.
(5)Look, they _____ dancing.
(6)Sam _____from England.
(7)There _______ lots of tall buildings in our city.
(8)There________ a bird in the tree.
(9)There _______ some milk in the bottle.
(10)There _______ a blackboard and four computers in the classroom.
(11)There _______ two teachers and a student in the office.
(12)There _______ a Chinatown in New York.
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
