LZ,你这原句有错误哦,应该是：The high house price has become a serious problem to people in China,___the government hasn't found a better solutuion to solve yet 吧?people in China前面应该有介词才对的....可这是语法书上的，作业啊，答案没错forget about it~ Not everything the book says is right. They sometimes fall really hard actually~