The Greens used to live in London and now they in Beijing. A. used to liveB. are used to

问题补充：

The Greens used to live in London and now they in Beijing.

A. used to live

B. are used to live

C. are used to living

D. are used for living

答案：

A. used to live

B. are used to live

(答案→)C. are used to living

D. are used for living

解析：句意：格林一家人过去居住在伦敦，现在他们习惯于居住在北京。分析过去常常used to do sth.习惯于做某事be used to doing sth. 下文提到现在习惯于居住在北京。故选C