In face of the challenge for the moment, it’s most important to ______ a good state of health.
My mind wasn’t on what he was saying so I’m afraid I _______ half of it.
With more forests being destroyed, huge quantities of good earth _______ each year.
—What were you up to when she dropped in? —I _________ for a while and __________ some reading.
—Have you heard from Janet recently? —No, but I ______ her over Christmas.
—I haven’t seen you for ages. Where have you been? — I _______ on leave in Europe.