I _______ have met him a long time ago. Both his name and face are very familiar.
He was ______ by love, and expected nothing in return.
The ______ you sign your name can tell experts a lot about you.
He said that very clearly so that nobody was in any ______ about what he meant.
In my opinion, life in the twenty-first century is much easier than ______ .
It is often ______ that human beings are naturally equipped to speak.