We shall fail _______ we are industrious.
whether
unless
until
until
B.
unless
She stood ______ Amit, but could not utter a single word for quite some time.
before
for
about
about
You have played a great role, for _______ your help I possibly would have landed myself into a problem
without
although
despite
despite
The passengers were very happy _______ the friendly and warm treatment
to
from
about
about