单项选择题
A.It turns in the room.B.He got it from Bill.C.It's in the room.D.Bill returned it.
A.That Tom is unkind.B.That Tom can't help.C.That Tom will help.D.That Tom wants money.
A.签订房地产建筑合同之日起30日内B.签订房地产转让合同、发生纳税义务后7日内或税务机关核定的期限内C.向有关部门办理过户登记手续之日起7日内D.签订房地产转让合同且收回款项之日起10日内