下列可以免征增值税的有()
A、农场销售的烟叶。
B、个人销售自己使用过的手机。
C、工业企业销售生产时产生的边角料。
参考答案:A, B
Was it _____ he was playing volleyball on the playground _____ he got hurt? [ ]
A. that; when
B. when; that
C. that; where
D. where; that
若要在某框架内显示指定的页面,应设置该框架的()属性。