Light-to-moderate smokers were ________ to die of sudden heart problems than those who had never smoked.
______ Chief Engineer, as his family had expected made his father happy and proud.
—How about your travel? —You can hardly imagine what difficulty we have had ______ the vast desert.
After he retired from office, Rogers ______ painting for a while, but soon lost interest.
The music of the film _________ by him sounds so ___________ .
He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.