--Smart phones are becoming more and more popular in China.--That’s right. But they still too much.A.spend B.pay C.cost D.take 免费查看参考答案及解析 题目: 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。Nowadays 5G is very popular among customers,but China is looking...