How is he now? Is he slowly ____?

__in the 1800s and first mass-produced in Germany, the harmonicawas designed to play simple folk tunes.

The owner of the shop asked his assistant to ____ the pears that can be thrown away.

I don’t know what will become________the boy if he keeps failing his examinations.[ ]

He stood still in front of the shop window ______ he were thinking something.[ ]