选择合适的选项,补全对话。 A. down B. Thank you C. Excuse D. lost E. Yes A: 1___________ me. Can you help me? B: 2___________? A: I'm 3___________. Where is the park? B: Just go 4___________ the street and turn left at the traffic lights. Then you'll find the park on your left. A: 5___________. B: You're welcome.