17.
选出正确的答语
⑴Are there any cars on the road? A. Because we must follow the traffic rules.
⑵What did you do last night? B. At the bus stop.
⑶Where do you wait for the bus? C. Yes, there are
⑷Does he wait for the green man? D. Yes, he does.
⑸Why must we wait for it? E. I took a walk.