Don’t reply to any e-mails _______ personal information, no matter how official or formal they appear.
I wonder if you know it ___ .
The number of people invited ___ fifty, but a few of them ___ absent for different reasons.
—George is a wise person. —But in my opinion, he is ___ than wise.
The roof fell ____ he had time to rush out.
—I’m just phoning to wish you good luck in your exam tomorrow. —___.