Does he know how to work out the problem?—Yes, he has ___ a good idea to solve it. —-Yes, he has ___ a good idea to solve it.

Helen always helps her mother even though going to school _____most of her day.

Do you want ______ home with me now

This is the factory　　　　my father worked ten years ago.

Please remain ______; the winner of theprize will be announced soon.