The old computer is theirs but the new computer belongs to______ .

It was the drug, not the disease, that killed the boy.—He would be still alive today if he_____ that drug.[ ]

18.When we were young, every evening we ____ stay at home waiting for our mother.

With the popularity of the Internet banking, it is becoming more convenient to ________ a business credit card for personal use online.

The world is becoming smaller and smaller because of the Internet. —-____________.