There are some health problems that , when _______ in time , can become bigger ones later on.
#90838
A
not treated
B
not having treated
C
not to be treated
D
not having been treated
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 I'm calling to enquire about the position ________ in yesterday's China Daily.(2010·北京)
#88304
A
advertised
B
to be advertised
C
advertising
D
having advertised
______ of danger in the street at night by police, young women had to go home with a friend or a family member ______ them.
#90875
A
Having been warned; following
B
warning; following
C
Having warned; following
D
warned; followed
_______ that he might lose his job, Peter always works extra hours to please his boss.
#96311
A
Worrying
B
Having worried
C
Having been worried
D
Worried