A:didn’t know , I’ll go and
B:don’t know, I’ll go and
C:didn’t know, I’m going to
D:haven’t know, I’m going to
同学们的衣柜里存放着春、夏、秋、冬四季服装,这是因为我们生活在( )
—You'd better take a rest and enjoy your time with your family.
甲
乙
丙
丁
A
H2SO4
NaOH
NaCl
Na2CO3
B
CO
CO2
CuO
C
Fe
Fe2(SO4)3
Mg
HCl
D
O2