问题
选择题
Mr Smith _____ his living by teaching ten years ago and he _____ greatly from his work.[ ]
A. earned；earned
B. earned；gained
C. gained；gained
D. gained；earned
答案
答案：B
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Mr Smith _____ his living by teaching ten years ago and he _____ greatly from his work.[ ]
A. earned；earned
B. earned；gained
C. gained；gained
D. gained；earned
答案：B