Harry has been out of work for six months so he has difficulty .A. earning livingsB. earn

问题补充：

Harry has been out of work for six months, so he has difficulty .

A. earning livings

B. earning his living

C. to earn livings

D. to earn his living

答案：

A. earning livings

(答案→)B. earning his living

C. to earn livings

D. to earn his living

解析：考察固定搭配。本题考察了两个固定搭配have some difficulty in doing sth做某事有困难；earn one’s living谋生；句意：Harry已经失业6个月了，所以他现在很难某生。根据句意说明B正确。