I always persuade Mary to have both feet on the____as she wants to marry a millionaire and accomplish her goals in an easy way.

A．ground

B．earth

C．location

D．place

约翰格雷大师的终极人生目标是什么（）？

A、成为世界上最畅销的作者

B、成为世界上最富有的人

C、子孙满堂

D、拥有世界上最美丽的房子