sửa lại hộ em sao cho đúng luôn ạ
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1 C => is living
2 C => closed
3 B => like
4 B => out
5 C => fool
K2O
, HSO4 , ->H2SO4
K2CO3 ,
BaO2->BaO
AlPO4-<Al2(SO4)3
, FeO ,
Mg2Cl ,-><MgCl2
Ca(NO3)2 ,
NaOH ,
CaNO3 ,->Ca(NO3)2
AlCl3 ,
PbO ,
BaNO3 ,->Ba(NO3)2
FeO ,
Al3O2 ->Al2O3
CTHH sai:
\(HSO_4\Rightarrow H_2SO_4\)
\(BaO_2\Rightarrow BaO\)
\(AlPO_4\Rightarrow Al_2\left(PO_4\right)_3\)
\(Mg_2Cl\Rightarrow MgCl_2\)
\(CaNO_3\Rightarrow Ca\left(NO_3\right)_2\)
\(BaNO_3\Rightarrow Ba\left(NO_3\right)_2\)
\(Al_3O_2\Rightarrow Al_2O_3\)
Educated in the UK, his qualifications are widely recognized in the world of professionals. Câu này đúng rồi ko cần sửa
1 A => why did you
2 A => did
3 D => not to
4 D => had
4 C => before
Listening / the radio / watching television / things / I / doing.
=> Listening to the radio and watching television are things I doing.
=> Đúng.
TL:
Listening / the radio / watching television / things / I / doing.
=> Listening to the radio and watching television are things I doing.
HT
1. C => a
2. B => was taking
3. A => with
4. D => he