He is a man of few words, and seldom speaks until _____ to.
—May I help you? — Yes, I’d like to try on some sports jackets just like ______ I’m wearing.
With all the money ______, the man had to make a living by begging.
No sooner had he arrived than he ______ to complain about the terrible weather.
The measure has saved many rare animals which would ______ have died out.
He got up late and hurried to his office, _______ the breakfast untouched.