来自裴丽的问题
第28题Itisacommonobservation______therearenotwoobjectsinnaturethatareexactlyalike.A、thatB、inthatC、whichD、inwhich
第28题Itisacommonobservation______therearenotwoobjectsinnaturethatareexactlyalike.
A、that
B、inthat
C、which
D、inwhich

