Со дна реки глубиной 4 м поднимают камень объемом 0, 6м^3 на баржу, высота борта которой над поверхностью реки 1м.плотность камня 2500кг/м^3.найдите работу по подъему камня(плотность воды=1000кг/м^3)

Ну держи, такое уже есть)

L am a student.
I'm thirteen years old.
I have a dog.
I don't have a cat.

John is my best friend.
he is thirteen years old.
he has a ball.
he doesn't have shoes.

my dog's name is Sumo
he is...
my dog has
my dog doesn't have

my house is
it is...
it has...
it doesn't have...

Mrare...
They are...
They have...
They don't have...

Jack is...
he is...
He has...
He doesn't have...

My bike is...
it is...
it has...
it doesn't have...

My uncle's car is...
it is...
it has...
it doesn't have...

My aunt's name is...
she is...
she has...
she doesn't have...

1) Daniel's doing very well in maths.
Daniel's teacher told usthat ..Daniel was  doing very well in maths
2) You can be anything you want to be.
I'm surethat You can be anything you want to be
3) My favourite sport is basketball. 
Roger saidthat his  favourite sport  was basketball
4) It'll rain overnight.
When I was little my father told methat It would rain overnight
5) People in Brazil use the internet more than anyone.
On the weather forecast last night they said..that People in Brazil used the internet more than anyone
6) Trainers are still in fashion today.
600 years ago people thought..that ...Trainers were still in fashion that day 
7) The new hospital will be built in 5 years.
She sent me a letter sayingthat  The new hospital would  be built in 5 years
8) You are not allowed to touch the computer.
The press report saidwe  were  not allowed to touch the computer..
9) I hate cooking abd cleaning. They are boring.
Tell your brother thatI hate cooking abd cleaning because they are boring 
10) Pollution is dangerous for health.
Dan told methat Pollution  was  dangerous for health
11) London is the capital of Great Britain.
She saidthat London  was  the capital of Great Britain..