longhair的比较级和高水平

1.正确答案是longer hair和 longest hair.

2.单音节形容词的比较级一般都是在词尾加上er

.高水平在形容词尾加上est.

3.多音节形容词比较级在前面加上 more.高水平在前面加上most.This ruler is longer than that one.This book is more interesting than that one.