Fill in the blanks with the suitable conjunction:
We will go swimming next Sunday _______ it's raining.
until
unless
when
because
He had to retire _____ of ill health.
as
so
Vibhu is crying ________ somebody has stolen her doll.
therefore
though
Sailing in summer is great, ______ I don't have a sailing boat.
and
but
The classes are quite difficult _____I'm doing well.
or
Do you pull the handle _____ push it?
This drug has serious side effects ________ its sale has been banned.
She will die _____ the doctors operate immediately.
although
Let us wait here _____ the rain stops.
The concert was cancelled, __________ we went to a movie instead.