问题
选择题
He didn't agree with me at first but I _______ persuade him. [ ]
A. was able to
B. could
C. could be able
D. should
答案
答案：A
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He didn't agree with me at first but I _______ persuade him. [ ]
A. was able to
B. could
C. could be able
D. should
答案：A