在颌面发育的快速期中，第一恒磨牙萌出是第几快速期（）
A.一
B.二
C.三
D.四
参考答案：B
(b) Compute the income tax payable by (refundable to) Tom and Susan for the tax year 2007, on the basis that they have opted for joint assessment. (14 marks)
RS449包括
