The children, ______ had played the whole day long, were worn out.
---What do you think made the woman so upset?--- _____ weight.
The research is so designed that once ____ nothing can be done to change it.
______ in thought, he almost ran into the car in front of him.
Not only ____ the jewelry she ____ been sold for her son's gambling debts but also her house.
The man whose songs we are fond of ____ in our city next week.