Which city has _____ population, Dongying, Shanghai or Jinan?

Excuse, can you tell me ____?—Sorry, I don’t. You can go to the information desk.

Hefei is a beautiful city, isn’t it?—Yes. There are about two ____ visitors here week.

I hope all the precautions against air pollution, _____ suggested by the localgovernment, will be seriously considered here.

How long ________ you _______ the book ? — For only a week.