写出划线单词的反义词。
1.My bag is old. → My sister’s bag is _______.
2.Peter’s umbrella is too small. → David’s umbrella is very _______.
3.The thick coat is 200 yuan. → The _______ coat is 100 yuan.
4.Jane is young.→ Jane’s grandma is _______.
5.Nancy’s maths teacher has long hair. → Jane’s English teacher has _______ black hair.