Fill in the blanks with the suitable conjunctions:
Sandra is crying ________ somebody has stolen her doll.
therefore
though
because
so
Mohan said that the book was extra ordinary, ____ I bought it.
but
if
or
The dam was built years _____ years ago.
since
and
as
__________ he was the best candidate, he didn't win the elections.
although
when
yet
Walk carefully _______ you will fall down.
Let us wait here _____ the rain stops.
unless
until
