问题
选择题
Tom has been out of work for two years, so he has difficulty _____. [ ]
A. earning living
B. earning his living
C. to earn livings
D. to earn his living
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Tom has been out of work for two years, so he has difficulty _____. [ ]
A. earning living
B. earning his living
C. to earn livings
D. to earn his living
答案：B