________ the convenience of digital payment, many senior citizens started to use smart phones.

当前位置：高中英语 / 单选题

1. (2019·江苏) ________ the convenience of digital payment, many senior citizens started to use smart phones.

A . To enjoy B . Enjoying C . To have enjoyed D . Enjoy

微信扫码预览、分享更方便

使用过本题的试卷