While ______ himself in the newspaper in a cafe , he got his pocket picked.    

---Are there any books related to the situation around Diaoyu Island?
---There’re only a few, ________.

I told you the other day that Tom had agreed with your idea, ________?

What we really concern is _____ those orphans can recover from the earthquake psychologically.

—As an old saying goes: “Opportunities favor the prepared mind.”
—Perfectly! Now ______.

—I telephoned him twice and I couldn’t get through to him. 
—The line might have been out of order,     ?

The doctor’s dilemma was _____ he should tell the patient the truth.

We are so tired. ______ we could take the day off tomorrow!

On the top of the hill _________ the old man once lived.

       ,the more quickly he will learn a foreign language.