They received a number of _____ from customers about the lack of parking facilities.

.You should not show any ___ for the students who get caught cheating in examinations.

The U. S．declares it has the best medical technology in the world，but quite a lot of Americans have no __________to health care service．

26．Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.

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