While reading, you'd better make a mark ___ you have any questions.
The long-lasting war, ______ with blood and death, ended in people’s sadness, ______ no result.
She ______ find any ______ employment.
That was a ______ threat: she meant to annoy you.
It’s obvious that she ______ him for a long time.
The ______ used ______ to produce a rabbit from his hat.