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5 tháng 7 2021

1 are

2 am

3 is

4 are

5 are

6 are

7 is

8 is

9 is

10 are

IV

1 is writing

2 are losing

3 is having

4 is staying

5 am not lying

6 is always using

7 are having

8 Are you playing

9 are not touching

10 Is - listening

11 Is- winning

12 am not staying

13 is not working

14 is not reading

15 isn't raining

16 am not listening

17 Are they making

18 Are you doing

19 Is - sitting

20 is - doing

21 are-putting

22 are-wearing

23 is-studying

5 tháng 7 2021

2, am

3, is

4,are

5,are

6,are

7,is

8,is

9,is

10,are

IV

1,2,7 OK

3,is having

4,has stayed

5,am not lying

6,always uses

8,Are-playing

9,not to touch

10,Is-listening

11,Are-winning

12,am not staying

13,isn't working

14,isn't reading

15,isn't raining

16,am not listening

17,Are-making

18,Are-doing

19,Is-sitting

20,is-doing

21,do-putting

22,do-wear

23,is-studying

1) 

\(4Fe+3O_{2\left(dư\right)}\xrightarrow[]{t^o}2Fe_2O_3\)

\(Fe_2O_3+6HCl\rightarrow2FeCl_3+3H_2O\)

\(FeCl_3+3KOH\rightarrow Fe\left(OH\right)_3\downarrow+3KCl\)

\(2Fe\left(OH\right)_3\xrightarrow[]{t^o}Fe_2O_3+3H_2O\)

\(Fe_2O_3+CO\xrightarrow[]{500-600^oC}2FeO+CO_2\)

2 tháng 7 2021

2 do

3 usually buy

4 press

5 enjoy

6 has

7 goes

8 gets

9 eat

10 doesn't study

11 doesn't eat

12 doesn't water

13 don't go

14 doesn't eat - is

15 Do - go

16 Do - agree

17 Do you have

18 Do you often eat

19 Does - start

20 does he come

21 does - work

22 does

23 does - do

24 does- go

2 tháng 7 2021

Cảm ơn ạ!haha

5 tháng 8 2021

1 does this red dress cost

2 is this shirt

does this short cost

3 do these shoes cost

4 has brown backpack

5 how to get to the bus stop

6 to stay in bed

7 are cleaned by Nga everyday

8 is played with a bow

9 worked for that company for 10 years

10 15 minutes walking to school

5 tháng 8 2021

Cảm ơn cậu nhiều lắm ạ 

Bài cuối mình không thấy rõ đề nhưng mình đoán là thế này bạn nhé.

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30 tháng 7 2021

Cảm ơn cậu nhiều lắm ạ