11.   The honeymoon period came to a brutal end when he cooked his first pot of rice.

12.   The key period will come early next year.

13.   The scientists said the more recent period of bombardment came from relatively small objects, which have left few young large craters on the moon.

14.   Then came a period of improvisation in which the farmers and cowmen did not merely argue about ownership of the land but also ended up physically brawling.

15.   Then came another period of doubt.

16.   This tryout period may have come in like a lamb, but it went out like a lamb chop.

17.   When a warmer period came, the ice melted, and sea level rose, turning the peninsulas into islands.

18.   But volatility on Wall Street in the past week has raised questions whether a long period of strong growth is coming to a close.

19.   Each time my period came, I felt I was a failure and tears would stream down my cheeks.

20.   Now that period is coming to an end and unions made clear Tuesday that they are weighing whether to strike again.