题目内容
5. (2014 •河南模拟) Yesterday I had some ;luckily my friend Ben helped me .
A. difficult;out B. difficulty;in
C. difference;with D. difficulties;out
5. D
5. D 解析:difficulty 的复数形式是 difficulties; help sb. out意为“帮助某人解决困难”。故选D.
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