—Shall I buy a cup of tea for you?—_ ______.
Stop at the ______. A. yellow light B. green light C. red light
The traffic lights the same in every country.
In Guang Zhou ,the driver must drive on the side of the road.A. left B. right C. one
Let go to the zoo.A .we B. is C. us
Everybody must when the light turns red. A. go B. wait C. stop