打扫卫生时,你看到同学提不动水桶,你想说A. Really? Let’s go and see. B. Let me help you.
( ) Go ________ a green light. A. at B. on C. In
( ) Look the pictures. They are beautiful. A. to B. at C. a
( ) Please ______ ! The light is yellow now. A. slow down and stop B. wait C. go
( ) We must ______ and wait at a red light. A. stopping B. stops C. stop
( )The bus is _________ . A. coming B. come C. comes