1. The bird flew very fast.

2. My cousin Mary was on holiday in London.

3. We went to a pop concert last Sunday.

4. My cousin Tony took his brother to visit the Great Wall.

5. B: Did Xiao Qiang travel by plane?

   G: No, he didn’t. He travelled by train.

6. G: Did you visit Washington DC last week?

    B: Yes, we did.