Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived .

Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived

1. A.
   used ; knowing
2. B.
   used ; known
3. C.
   using ; known
4. D.
   using ; knowing

Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived .

       A．used ; knowing     B．used ; known   

       C．using ; known               D．using ; knowing

Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived .

A．used; knowing                                          B．used; known

C．using; known                                            D．using; knowing

Aboriginal （土著居民）is a term ______ to describe the people living in a place from the earliest _______ times or before European arrived .