Parents have a duty to ____ their children from the harmful effects of the Internet. 

Because of the strong sun Mrs. William's new dining room curtains _____ from dark blue to gray within a year.

The village seemed deserted, the only sign of life _____ an ugly-looking goat tied to a tree in a field nearby.

The computer is 5,000 yuan, but it doesn’t ____the cost of shipping.

The computer system suddenly_____ while he was searching for information on the Internet.