— Is there anything wrong, Bob? You look sad.— Oh, nothing much. In fact, I ________ of my friends back home.
-----When will they come back? -----I _____ don’t know.
She was more headstrong than ______.
Though ______, many laws of nature exist.
The servant did _____ she could ______ the revolutionary.
The missing boys were last seen _____ near the river.