. --- I think the waiter has forgotten us. We ________ here for over half an hour! --- I think you’re right. He probably thinks we have already ordered.
Looking back, Diana, a fashion designer, ______ her achievements to the goal she set, the education she received from the college, and above all, the efforts she made.
Clinical evidence began to ______ suggesting that the new drugs had a wider range of useful effect than had been predicted from experiments in animals.