_________in painting, John didn't notice evening approaching.
A. To absorb
B. Absorbs
C. Absorbed
D. Absorbing
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________for two days, Steve managed to finish his reports on schedule.
A. Having worked
B. Worked
C. To work
D. Being worked
Like ancient sailors, birds can find their way______ the sun and the stars.
A. Being used
B. to use
C. used
D. using
_________in the poorest area of Glasgow, he had a long, hard road to becoming a football star.
A. Raising
B. To be raised
C. Raised
D. Being raised
There_______ nothing more to do, Mr.Goodman left for home.
A. was
B. being
C. to be
D. had been