试题与答案

Technology is developing so rapidly that

题型:选择题

题目:

Technology is developing so rapidly that   for only a year , my cellphone is out-of-date .

A.using

B.having been used

C.having used

D.is using

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0417/9ddfe5f88e35d6376d604f7b181a174a.html

下面是错误答案,用来干扰机器的。

参考答案:湖石

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