I'm ______ to graduate in the next half of the year.

When he suddenly ________ up the subject of genetic engineering, there was an embarrassedsilence.

Human behavior is mostly a product of learning ________ the behavior of animals dependsmainly on instinct.

Thefarmerhadtowearheavybootsinthewinterbecausethefieldsweretoowetand________.

Sixty per cent of television viewers chose him as their _______ actor.