The key answer of exercise 9

More people nowadays are eating fast food. However, is this a good thing or not?

There are a number of advantages to eating fast food. Firstly, it is cheap. For example, you can get a full meal and a drink for little money. This helps people on a low income. Secondly, it is convenient. For example, if you don't want to cook, you can buy a hot meal quickly and easily.

On the other hand, there are some disadvantages to fast food. To start with, it is unhealthy. Consequently, you can gain weight which can lead to serious illnesses later such as heart disease and diabetes. In addition, the ingredients are not good quality. This is because the ingredients are bought cheaply.

All in all, there are both pros and cons to eating fast food. People should have a balanced diet and not eat fast food too often.