---Is there a river in the city? ---No, _______A. there is. B. there isn’t. C. there aren’t.
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