---Tom, _____we go home together this afternoon ? ---Ok !
___ is known to all, China is a developing country, belonging to the third world.
She showed her new watch to my wife, ___ was kept in a box.
The reason ______he didn't come was ______he was ill.
We travelled together as far as Chicago, _______ we parted.
Though having discussed it for long, they still haven’t reached an agreement they should pour more money into the project.