Air,_______we breathe every day ,is a mixture of several gasesA.the same B.that C.which D.what

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Air,_______webreatheeveryday,isamixtureofseveralgasesA.thesameB.thatC.whichD.whatAir,_______webreath

Air,_______we breathe every day ,is a mixture of several gasesA.the same B.that C.which D.what
Air,_______we breathe every day ,is a mixture of several gases
A.the same B.that C.which D.what

Air,_______we breathe every day ,is a mixture of several gasesA.the same B.that C.which D.what
C.which
引导定语

D