( ) Little Jack sometimes goes home foot.
A. byB. at C. on
( ) How do you come to school?_______________________.
A. She usually walks. B. Sure. C. The bus is coming.
( ) Go ________ a green light.
A. atB. onC. In
( ) Look the pictures. They are beautiful.
A. toB. atC. a
( ) Please ______ ! The light is yellow now.
A. slow down and stop B. wait C. go