( )If you enjoy ________ people, you can work for the police. A. help B. helping C. helps
Wait at alight. A. red B. green C. yellow
Green light means “.” A. go B. wait C. stop
Stopa red light. A. for B. on C. at
Walk straight three minutes. A. at B. for C. in
The hospital is ____the left. A. for B. in C. on