giúp mk vs mk sắp thi r

chuyển câu và cho mk xin cấu trúc của từng câu nhé mk cảm ơn. viết rõ cấu trúc câu ban đầu và câu chuyển lại hộ mk vs ạ

1.He was annoyed because I walked across the field.

=> He ojected

2. I am fond of my nephew although he behaves terribly.

=> I am fond of my nephew in

3. I won't swim in the sea because it is too cold.

=>The sea is not

4." I was not there at the time " he said

=> He denied 

5. " Who does that suitcase belong to " the policeman asked us

=> The policeman asked us whoes

6. she hasn't ridden a horse before.

=>It 

7. Haven't you got any cheaper televisons.?

=> Are these 

8.The children should be in bed by now.

=> It's time 

9.He can't do anything about it. 

=>There's 

10. He borrow my book , but he forgot to return it.

=> I

giúp mk với : cho x,y,z >0 và x³+y³+z³=0

 check giúp mk  đoạn văn này với ạ :
Nowadays, The Internet, which people in the world use , is very important. Nobody can deny benifits of internet. Firstly, the internet is a source of information. It helps us know weather forecast  everyday. Morever, we can chech a time table of the bus or train that we want to take. Secondly, the internet is a source of entertainment. After many lessons or work hard we can listen to music or play games or chatting with friends anh relatives. I can communicate with people in the world by E-mail. Finally, the internet is a source of education. We can take part in on-line lessons. on-line school. Inclusion , The internet is useful which  developed and become part of our life.

giúp mk vs :) 

cho x,y >0 thỏa mãn (x+y+1)²=xy

tìm Min P = \(\frac{1}{xy}\) + \(\frac{1}{x^2+y^2}\) +\(\frac{\sqrt{xy}}{x+y}\)

giúp mk vs : Tìm x,y thỏa mãn x²+y²=(x+y)(\(\sqrt{x}\) +\(\sqrt{y}\) -1)

với x,y > \(\frac{1}{4}\)

giúp mk phần c vs ạ