II.
He,whether
No matter what
Something that
Whoever
Whatever
III.
which
that
why
What
that
When,where
whom
what
where
whether
if
whether
can't
that
where,what
what
where
how
20.that
21.if
IV.
That we will be late
That the earth is round
That you missed the opportunity
his dream will come true some day
what you were doing this time yesterday
he was doing preparation for an exam.
he had been away from his hometowm for ten years
the light goes straight.
V.
if
whether
if
if
if
if
VI.
B
B
which,that