Put the correct endings to plural forms.
1) All of the _______ \(bus\) left at the same time.
2) They need two more _______ \(chair\) to sit on.
3) My uncle has got two pretty _______ \(baby\).
4) Sam and Susan are _______ \(teacher\).
5) His brother bought three _______ \(kilo\) of _______ \(potato\) last week.