She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个,我说哪一个都没有关系。[动词时态一致,这是中国人学习英语最头痛的一个问题。]
Gesticulating wildly, the man acted as if he found my offer outrageous, but he eventually reduced the price to $10.
那人激动地打着手势,仿佛我的出价使他不能容忍。但他终于把价钱降到了10英镑。