最佳答案:I spent this holiday very quick, on the 1st May, we went to the Zoo, there were
最佳答案:加点分吧.Low-carbon life is the lifestyle of the time to minimize energy consumption
最佳答案:环保问题,找一个范文,将关键字雾霾改写一下就好啦,重要的是提出自己的观点
最佳答案:greener sky还可以,或fresher air第一句话有语法错误,在really前加个which第二段第一句也错了,是the heavy smog af
最佳答案:第四行which lasted for about three weeks 更好,后面可以加一句we must take actions tofight for