this machine ____ specially ____to using underwater A.has been :adapted B.has been :adapting
问题描述：
this machine ____ specially ____to using underwater A.has been :adapted B.has been :adapting
this machine ____ specially ____to using underwater
A.has been :adapted B.has been :adapting C.was :adapting D.has:adapted
答
A.has been :adapted 是对的.
考点：be adapted to."应用于."的意思,这里是它的现在完成时态.这里的to是介词,后面要用名词代词或者动名词.
翻译：这台机器特地应用于地下水.