Not only his parents but also his brother____ to the Summer Palace. They haven’t been back.

Another cup of tea —No, thanks． I________leave now． Lucy is waiting for me．

Mr Wu, could you tell me ________— You’d better do more speaking.

I don’t have to do it and _________ do you We’re bothtoo busy

You seem to have had that car for years.—Yes, I should sell it ________ it breaks down.[ ]