―What’s Apple’s attitude toward the matter?―Apple does not look into the matter directly, ______.

If Joe’s wife won’t go to the party，________.

Was it not until you began to work —— how much time you had wasted?

So difficult __________it to live in an English-speaking country that I determined to learn English. 

Long long time ago, there was a mountain. At the top of the mountain___________, in which an old monk used to tell stories.