In 89 BC, Pompeii became a rich and busy city and near the city ____ a volcano.

.Despite UNICEF’s efforts, dirty water ______ for disease spreading in southern Iraq at the very moment.

—I say, Harry. What did you say to the laid-off worker just now? —Nothing. I           to myself.

I could have offered you some help last weekend, but I _______ with my work at that time.

— I’m really glad to see you back.. ______ your trip to the valley interesting?— No. it ______ very heavily there the whole time.