求翻译：过去我有很多朋友，性格开朗，花很多时间和朋友一起玩，对功课没有兴趣，成绩很差，现在几乎没有朋友，变得沉默寡言，多数时间用在功课上，变得爱学习了，成绩提高很快是什么意思？

In the past I have many friends, cheerful, and spend a lot of time playing with friends, no homework, bad grades, and now almost no friends, become quiet, with most of the time on homework, become the love of learning, the results improve quickly

I have a lot of friends, has a bright and cheerful and spend a lot of time and a friend to play together, homework, and have no interest in very poor results, it is now almost no friends, and become silent, most of the time spent on homework, and has become the love of learning, and performance are

In the past I had very many friends, was cheerful, the flowered very much time and the friend played together, did not have the interest to the schoolwork, the result to be very bad, now nearly does not have the friend, became the silence to be uncommunicative, the most time used in the schoolwork,

I have a lot of friends in the past, character, cheerful, spend a lot of time to play with friends, 's not interested in homework, bad grades, is now almost no friends, becoming quiet, most of the time on the homework, have become fond of learning, enhancing achievement soon

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