The environmentalists said wild goats’ __________ on the vast grasslands was a good indication of the better environment.

Over two thirds of the population were believed to have no ______ to the health care in the west rural area in China.

—How can I use this washing machine?—Well, just refer to the _______.

Future will be a marvelous world of artificial ______----- robots might have their emotions and we human beings might have robots as friends．

—Can you hit that bird with your gun, Tom?—No！It is out of the ______of my gun.