—Why couldn’t they meet us at five o’clock? —Because they were delayed by _________.
She likes to use words ____ is clear to him.
Babies are not born with __ moral sense; they cannot tell __ difference between right and wrong.
She soon came to her ____ after a blood transfusion.
. Every new thought or idea has to ___ what we already know.
He is naughty sometimes, but ____ he is a good boy.