Jack offered us a big meal when he wasleaving the office, but our work ____, we refused it.

Finding information in today’s world is easy.The ________is how you can tell if the information you get is useful or not.

By no means ______________ to her parents.

__________ visitors come to China to see the Great Wall and the Palace Museum every year.

tudent admitted ____ in the mathexam, _____ that he would never do that again in the future.