A:take good care of
B:taking little care of
C:taken good care of
D:to take some care of
如图,已知AD是△ABC的角平分线,在不添加任何辅助线的前提下,要使△AED≌△AFD,需添加一个条件是:____
已知4x-5y+2z=0x+4y-3z=0(xyz≠0),则x:y:z的值为( )
—There will be more and more robots going into people's homes.
— . We might be able to leave all the chores to them.