单项选择题 She won′t be available between 6 and 8,for she ______ an important meeting.

单项选择题 dict 对象的 items() 方法返回的值是一个（ ）

未知题型 It was a cool October evening in the hillcountry of southwest Mississippi. （43） Early frost had turned leaves to agolden hue. （44） The view was astounding from the high bluff known asHowitt′s Mountain