My mother is the _____________ I know. Not only did she give up her profession in order to be a good housewife and raise her children properly. But she also sacrificed many more years for her grandchildren. Her generosity is also evident in her relationship with our neighbors, friends, and relatives. She had been always there to lend a helping hand to people in times of trouble.

Someday, you might save someone's life, or someone might save yours. Blood donors give their blood to help others in ____________________.

If you plan to take an airplane ride, be certain that you do not take ___________ baggage. For every kilo over the allowed weight limit, you have to pay an additional charge. Travel light, and you will pay less.

Pantomime is the art of communicating without words. It uses body movements, gestures, and facial expressions to communicate feelings, attitudes, and situations. This __________ form of communication is now an important part of theater, dance, and even the circus.

The main card catalog at the Library of Congress - the rows and rows of massive wooden cabinets that hold 23 million well-thumbed index cards - is gradually becoming ___________ as the library moves toward automation. Traditionalists worry that they are losing a cherished national institution.

A fish is a cold-blooded creature, while a whale is a/an ____________ animal. Fish has gills so it can breathe in the water; while whale has lungs and must come up frequently to fill them with air. Fish lays eggs in the water and from these eggs little fish develop, but whales grow their babies within their bodies, as land animals do.

Appearances can be deceptive. One day, while looking through the window of my room, I saw a/an ____________ young lady walking by. She carried herself well, she was smart, and her makeup was perfect. After a while, maybe she was thinking that no one was looking, she threw the empty bottle of water in the street gutter near out neighbor's house. After that, she was no longer attractive to me.

Conservative people resist fast change. They want things to stay the same or to change slowly. They ___________ new ideas or practices immediately. These people usually provide balance to the quickly changing part of society.

In every examination, students must carefully and accurately follow all instructions. It is important to follow the ______________ that tell the students what to do.