A:①②③
B:①③⑥
C:④⑤⑥
D:①④⑤⑥
My brother usually gets up at 6: 10, and then he cleans _______ room.
下列各物质属于电解质的是( )
①NaOH②BaSO4③Cu④蔗糖⑤CO2.
I have a new dress______ birthday party.