I used to love that film ______ I was a child, but I don’t feel it that way any more.

He left the key ______ he had been an hour before.

_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.

I’m not sure whether this is the book ______ my brother read the year before last.

Every evening after dinner, if not     from work,, I will spend some time walking my dog.