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:

\(HSO_4\Rightarrow H_2SO_4\)

\(BaO_2\Rightarrow BaO\)

\(AlPO_4\Rightarrow Al_2\left(PO_4\right)_3\)

\(Mg_2Cl\Rightarrow MgCl_2\)

\(CaNO_3\Rightarrow Ca\left(NO_3\right)_2\)

\(BaNO_3\Rightarrow Ba\left(NO_3\right)_2\)

\(Al_3O_2\Rightarrow Al_2O_3\)

Đúng hết r mak               

Educated in the UK, his qualifications are widely recognized in the world of professionals. Câu này đúng rồi ko cần sửa

Educated in the UK, his qualifications are widely recognized in the world of professionals.

=> Educated in the UK, he is widely recognized in the world of professionals.

Chọn C

C

6. In spite of -> Instead of

7. am meeting => meet

8. which -> where 

9. cuts -> cut

10. am needing -> need

1 B => was made

2 C => has just been thrown

3 A => Most

4 D => perfect accuracy

5 D => weighs

6 B => which is

7 B => had finished

8 A => had never sold

9 A => when

10 C => which

mờ quá bạn ah

1 D => had left

2 D => I'm not used to

3 B => work

4 B => learn

5 B=> have to do

6 B => which

7 C => to work

8 C => meeting

9 C => to come

10 C => bỏ

1 D ⇒ had left

2 D ⇒ I'm not used to

3 B ⇒ work

4 B ⇒ learn

5 B ⇒ have to do

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

TL:

đúng nhé anh

-HT-