Dùng khí CO để khử 32g một oxit Sắt ở t\(^o\) cao , sau phản ứng thu được 22,4 g Fe và khí CO\(_2\) . Xác định CTHH của Oxit Sắt đó 

Write a passage of 150-200 word

It is better for children to grow up in the countryside than in a big city , Do you agree or disagree ? Use specific reasons and examples to develop your essay

Write the yopic:

" Shoud teachers give students much homework ? " 

Part V : Fill a suitable preposition in esch blank 

1. Smoking is very harmful to our haelth , so you should give _____ it 

2. We can't do every thing ________ electricity in modern life 

3. They will hold a Song festival _______ June the first

4. Everyone in a city is always ________ a hurry

5. Thank you ________ what you did for mr yesterday 

6. Fire is very important ________ our daily life 

7. Playing volleyball is very different ________ playing soccer 

8. Student are concerned _______ sprort and social activities

9. The girl ________ a red dress is my close friend 

10. The children are fond _______ sweets and cakes 

Giải thích hộ mk vs ạ (nếu đc )

Part IV : Find and correct a mistake in each sentence :

1. We enjoy taking part in thr fetching-water competition 

2. While Loan made cakes in the kitchen , we came 

3. The weather gets warmer and warmer these day 

4. It is no good to persuade him to participate in the party 

5. Neithr they nor he were at the saeside with the Smiths last weekend 

i was phoning her when har mother arrived home