a demand
for
a need
for
a reason
for
an advantage / a disadvantage
of
there is an advantage/ a disadvantage ….. doing something
in, to
a cause
of
a picture
of
a photo / photograph
of
a map
of
a plan
of
a drawing
of
an increase/ a decrease
in
a rise
in
a fall
in
a damage
to
an invitation
to
a solution
to
a key
to
an answer
to
a reply
to
a reaction
to
an attitude
to, towards
a relationship
with, between
a connection
with, between