Children under sixteen are not permitted to participate in such kind of activities ________ bad for their mental development.  
#76601
A
as is
B
as are
C
that are
D
that they are
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She is _______ you could ever meet.
#76580
A
as a gentle girl as
B
as gently a girl as
C
a girl as gentle
D
as gentle a girl as
I’ve seen the man        dog bit you.
#77174
A
who
B
whose
C
whom
D
that
He left here for Beijing in 1998 ,____I have heard nothing from her.
#77439
A
since then
B
since when
C
from then on
D
after that