1) Find the mistakes in each of the following sentences then write it correctly: 1- organic farming don't use chemical fertilizers.
2- Starvation is suffering or death due to shortage of food.
3- Is that the woman whose bag was stolen?
4- I'd say that the internet is the best invention of the twentieth century.
5- The girl who's talking to Ali is a new student.
6- Asia is the biggest continent in the world.
7- I don't understand why this machine is here. Do you know what its purpose is?
8- When we arrived home, we saw that our lights had been left on.
9- When I was born, my parents had been living in their flat for three years.
10- We couldn't get into the car because our keys were locked inside.
11- The whole area was flattened by the storm
12- Some houses are cold because they have no roof insulation.
13- She cooked the food by herself
14- Rania and Hala were injured when they fell off their bicycles.