Her sister a taxi driver. Now she works for a charity.A. isB. were used to beingC. is use

问题补充：

Her sister a taxi driver. Now she works for a charity.

A. is

B. were used to being

C. is used to being

D. used to be

答案：

A. is

B. were used to being

C. is used to being

(答案→)D. used to be

解析：考查近义词组的辨析。be used to do“被用于”；be used to do ing“习惯于”；used to do“过去…”。句意为“他的妹妹过去是一个出租车司机，现在她为慈善组织工作”。故选D。