问题
选择题
The farmer ________ a lot of experience by observing the growth of his vegetables.[ ]
A. retired
B. objected
C. undertook
D. a
ccumulated
答案
答案：D
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The farmer ________ a lot of experience by observing the growth of his vegetables.[ ]
A. retired
B. objected
C. undertook
D. accumulated
答案：D