Telephoneservicesaredeveloping__

发布时间：2020-07-27 20:02:36

Telephone services are developing ________ in big cities．A.more and more quicklyB.more quickly and more quicklyC.quicklier and quicklierD.quicker and quicker

网友回答

A解析“越来越快”表示为more and more quickly．develop为动词，后面用副词quickly．
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