根据所给汉语和首字母提示，写出各单词的正确形式；每空只写一词。
1. When we do sports, it's better to wear sports clothes because they are_______（舒适的） and light.
2. My father enjoys_______(躺)on the sofa and watching TV after supper.
3. Sweets have too much sugar and are bad for our_______（牙齿）．
4. -Does Li Hua hope to play in the next World Cup?
-Yes, that's his d_______.
5.-Why do many students wear jeans?
- Because they are p_______ among students.