问题
选择题
At the beginning, he started his business with only a little money, but he built it up ______. [ ]
A. gradually
B. slowly
C. exactly
D. fluently
答案
答案：A
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At the beginning, he started his business with only a little money, but he built it up ______. [ ]
A. gradually
B. slowly
C. exactly
D. fluently
答案：A