11.   It was an early spring morning in San Francisco, and the scene confronting Mike Mufson was enough to make you want to crawl back in bed.

12.   It is the carpool schedule for soccer practice that prompts their street corner exchange on a chilly spring morning.

13.   Jane Hearn has no regrets about killing her terminally ill husband, Jack D. Hearn, on a spring morning in April.

14.   Moreover, since cold air is heavier than warm air, chill collects in lowlands on calm spring mornings, making valleys more susceptible to frost than hillsides.

15.   Most do not stroll into school on a sunny spring morning, toting sawed-off shotguns and semiautomatic rifles under their long black coats.

16.   Moreover, since cold air is heavier than warm, chill collects in lowlands on calm spring mornings making valleys more susceptible to frost than hillsides.

17.   On a recent spring morning in Hudson Falls, it was hard to imagine that anything was amiss.

18.   On a cool spring morning, Brown and her crew, about a dozen strong, rake up a moist layer of leaves in a Harlem park.

19.   On earlier spring mornings at dawn, when the weather is nippy, merchants heat up their morning miso soup, filling the air with a fragrant steam.

20.   On spring mornings, the best time for American farmers to spray herbicide on their Canadian wheat fields is well before the gates open.