61.   The plants were closed over the weekend.

62.   Air space was also closed over the area.

63.   And in spite of most European banks being closed over the weekend, governments took advantage of other vantage points to aid distribution.

64.   The problem was made worse, they said, as many offices and factories were closed over the New Year holiday period leaving leaks undetected.

65.   Japanese markets will close over the end of December for the new year break.

66.   No sooner had a customer at a small restaurant in northern Spain tucked into a lunch of clams and artichokes than his teeth closed over something very hard.