We should never ____till tomorrow what we can do today.

Though he’s only 8 years old, he can read _______ on science.

Did you study ______ the English test? [ ]

The old man is 80 years old and lives_____________. — But he doesn’t think he feels____________. He lives happily every day.

What _______ you do if you _______ 5 million yuan?— I’d travel around the world.