11.  For unexplained reasons, she continued this piece to the end of her life, despite the great inconvenience and, one supposes, even greater rudeness.

12.  For unexplained reasons, the announcements were delayed, with the expectation they would come a few hours later.

13.  For unexplained reasons, the mission was called off.

14.  Glywasky said the two workers left the vicinity of the vacuum truck for unexplained reasons just before the fire started.

15.  However, Broder said, there has not been a comparable decline among African-American women, for largely unexplained reasons.

16.  Local and national candidates are given two week periods to campaign, while ultranationalists, for unexplained reasons, are allowed to operate year round.

17.  Later, the parents would find out that Alexis, for unexplained reasons, did not always take her anti-depression medicine.

18.  Randy Duck hinted that he would transfer after he was suspended for the Washington game for unexplained disciplinary reasons.

19.  The Hale House doctor, for unexplained reasons, was not authorized to write prescriptions.

20.  The senators were irked to learn that intelligence officials had known this for months but for some unexplained reason were only now telling them about it.