[解析]
M:Hi,Mary Smith!I haven't seen you for ages.How have you been?
W:John,John Brown!It has been a long time,hasn't it?Well,how are you?Still working for the foreign company?
M:No,I changed my job about three months ago.I'm in an investment corporation now.How about you?
W:I'm still teaching at the university,but I moved from the German department to the Spanish department.Well,how is your family?Are the children all in school now?
M:No,Billy is still at home.Tom is in the third grade and Jane's in the second.
W:Our two children haven't started school yet either.But Sue will go in the fall.