三量对比指说明？
参考答案：
投标量、施工图纸数量和外部劳务队伍结算数量。
My sister _____ as a secretary in her company for three years and now she _____ to the manager of the sales department.
A．served; has been promoted
B．had served; has been promoted
C．has served; has promoted
D．was serving; has promoted
I envy you such a close family.[ ]
A. having
B. to have
C. have
D. to having
