IELTS 9 fen xie zuo/ IELTS 9 fen xie zuo = Xin wen xie zuo/ Xin wen xie zuo Cai fang xie zuo/ Ping lun xie zuo/ Shang ye xie zuo/ Xin ying yong xie zuo/ She jiao shu xin xie zuo/ Ji chu xie zuo/