Stop at the ______.
A. yellow light B. green light C. red light
The traffic lightsthe same in every country.
| A．is | B．/ | C．am | D．are |
In Guang Zhou ,the driver must drive on theside of the road.
A. left B. right C. one
Letgo to the zoo.
A .we B. is C. us
Everybody mustwhen the light turns red.
A. go B. wait C. stop