"she is a little shy" 为什么用“is”不用“has”

"she is a little shy" 为什么用“is”不用“has” —what is your little sister look like?—She is shy﹐ she has(a She is ___ shy.请问应该选什么?为什么?A.a little； B.a little bit The girl is a little shy.She has a small c_____ of friends. little shy she a is 怎么连词成句 she is a little shy.的同义句 the girl is a little shy. 句型转换一空一词She is a little shy.同义句Lions come from (South Africa Mary used to be a little shy,but now she is o_____ The little girl is a little shy.(改为同义句) she is a bit shy then. My cousin is a little shy.(对 a little shy 提问）