Examples: key problem; major issue; ready meals...
A. Underline the collocations in the following text:
I don't think that food additives are healthy. I believe that processed foods may damage our health in the long term. We usually start with a substancial breakfast and light meals afterwards. Home-cooked meal is our favourite. Kids prefer junk food and it is not easy to persuade them to eat nourishing meals.
B. Now use some of these collocations to express your opinion about healthy eating habits.