选出相对应的答语。
①I can hear the car. ____ A. Yes, I do.
②What is it? ____ B. It's brown.
③Can you hear a cat? ____ C. Yes, I can.
④What colour is the dog? ____ D. Great.
⑤Do you like the train? ____ E. Yes. It's hard.
⑥Is the watch hard? ____ F. It's a bike.
