Here’s how you can fill in the gaps using the phrases in the box:

1. **D** - I started this hobby
2. **A** - the kitchen at home
3. **B** - I love cooking the most
4. **C** - a relaxing hobby
5. **E** - often cook on the weekend

So the completed text would read:

I have a lot of hobbies, but (1) **D**. (2) **A**. First, my mother taught me how to bake cookies. Then I learned some other recipes on the Internet. Now I can cook a lot of dishes and I also teach my brother how to cook. I often cook in (3) **B**. I always follow the recipes when I make cakes. (4) **C**. That is the time when all our family members are at home and enjoy a happy time together. Cooking is (5) **E** and I love it.