Larry asks Bill and Peter to go on a picnic with him, but ______ of them wants to, because they have work to do.
Titan is believed to be the only body in _____ solar system other than the Earth with liquid on ______ surface.
To be successful, you must be smart, confident, and, ______ honest.
I get the bicycle for _____.My friend gave it to me when she bought a new one.
It’s really difficult to ______ what he is trying to express.
We all felt a sense of ______ when we saw so many overseas Chinese coming back safe and sound from Libya.