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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He is _______his job.
#27533
A
in danger to lose
B
dangerous of losing
C
in danger of losing
D
dangerous to lose
 People who are ______ modern city life may think it is rather dull to live in the countryside.
#25502
A
in honor of
B
in charge of
C
in favor of
D
in control of
It’s not a good idea to spend your income________.
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A
in general
B
in defence
C
in advance
D
in particular