___________theconvenienceofdigitalpayment,manyseniorcit...
來源:國語幫 3.17W
問題詳情:
___________ the convenience of digital payment, many senior citizens started to use smart phones.
A. To enjoy B. Enjoying C. To have enjoyed D. Enjoy
【回答】
A
知識點:非謂語動詞
題型:選擇題