working

It turned out that the man was an excellent policeman working in New York , _____ had contributed a lot to the case.

—Hello, Kate! Fancy meeting you here! Working again, are you?—Yes,______,if I want to pass the exams.

______ he was tired he went on working

I have been busy working for a long time so I need to ______ in this National Day Holiday and enjoy time.

______ he was tired he went on working

Many children，          parents are away working in big cities，are taken good care of in the village.

I have been busy working for a long time so I need to ______ in this National Day Holiday and enjoy time.