---Have you ever had any skin problems _______eating junk food?---- Yes, two years ago.
—Have you nearly finished? — ____, we have just begun.
—Hold the ladder for me!—That’s_________.
The president stood by a window inside the room, ____, looking over the square.
As time went by, the plan stuck ____ fairly practical.
It was believed that things would get worse, but ____ it is they are getting better.