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。