After he retired, he keeps on taking exercise to kep fit______a good diet.
#28533
A
except
B
in addition to
C
but for
D
other than
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16.He is heavily ____ now, so he can’t pay for a new house.
#28019
A
out of debt
B
get into debt
C
in debt
D
get out of debt
 .– How often do you go to see your parents?--- __________.
#27603
A
In no time
B
After a while
C
In a short time
D
From time to time
 I apologize ___ you ____ my impoliteness. 
#26170
A
to , for
B
/ , for
C
to , /
D
/ , to