If his parents are convinced ____the fact that his son always focuses his mind       his study.  
#28552
A
of; on
B
of; at
C
by; to
D
on; at
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They were arguing _____each other _____ the cause of SARS.
#26632
A
about; with
B
to; about
C
with; to
D
with; about
Every man in this country has the right to live where he wants to, ____ the color of his skin.
#27848
A
regardless of
B
in case of
C
by means of
D
with the exception of
This training program can give you a lift at work, ____ increase your income by 40%.
#26574
A
as well as
B
so long as
C
so much as
D
as soon as