(1)○○○○;(2)○○○○○
While Mary ___ a letter, the children were playing outside.
A.wrote
B.writes
C.is writing
D.was writing
某房地产公司转让商品楼收入5000万元,计算土地增值额准予扣除项目金额4200万元,则适用税率为( )。
A.30% B.40% C.50% D.60%