On,between, among,near,next to, in, under.
a) don't keep tomatoes ... plastic bags for a long time.
b)The campers sat for the picnic ... a big oak tree ... the lake.
c)Our famous singer Ion Suruceanu with his wife Nadia were... the guests.
d) There was a basket full of fruit ... ... the kitchen table.
e) A big crystal vase with bright flowers stood ... the cake and the tea pot ... the holiday table/