Ответ:

1) My dad has to wear a shirt and tie for work. He has to look smart.

2) My jeans are too small. They're very tight.

3) All my friends have trainers like these at the moment. They're really fashionable.

4) In the middle of winter, I need a jacket that's warm

5) My t-shirt doesn't have a pattern. It's old-fashioned

6) all the weekend, I don't have to wear my uniform, I can wear something casual.