It worried her a bit _______ her hair was turning grey.
that
which
whether
what
______has helped to save the drowning girl is worth praising.
that
what
who
whoever
_______ team will win the match is a matter of public concern.
which
whether
whichever
that
_________Lily lives has not been found out.
that
where
why
who
________the ancient people built the pyramids puzzled people for centuries.
which
where
how
whichever
_______impressed me most was the boy’s ability to handle this kind of trouble.
that
what
where
why
The plan itself is a good one, but_______it can be carried out or not depends on circumstances,
that
as
whether
if
It appears to me______she wants to teach us all she has.
that
what
when
where
The most exciting moment was ______I was given the first prize.
which
when
that
whether
See the flags on the top of the building? That was ______ did this morning.
that
whether
what
which