( )A:___________ is that man over there?
B: He is Mr. Wang.
| A．What | B．Who | C．Whose | D．Where |
( ) We must ______ and wait at a red light.
A. stopping B. stops C. stop
（ ）The bus is _________ .
A. coming B. come C. comes
（）You must look right_________ you cross the road.
A. before B. at C. on
（ ）We must pay attention _______the traffic lights.
A. at B. to C. in
（ ）We must ______ and wait at a red light.
A. stopping B. stops C. stop