If we don’t take steps, some rare animals, such as the Tibetan antelopes and pandas will ____________ some day just as dinosaur. 

His mother insisted that high school education ________ very important and insisted that Bob ________ it.

— You ______ to the housing agency in time.— OK, I’ll try my best.

The news caused heated discussion online, with people _____ the government ____ using the expensive project to build up its political image.

A good idea just ______ me — Let’s go swimming.