my nose is small为什么后面用is

my nose is small为什么后面用is his nose is big my nose is small 用比较级改成一句话 My nose is big,and my mouth is small.为什么有逗号 My throat is sore.My nose hurts.sore(疼的）hurt（疼痛）为什么前面要加is.后面 My nose is blg.and my mouth is small.lhave a sister.Her name My nose is big,and my mouth is small..意思是什么? 同义句转换Her nose is small 为什么My throat is sore.要加is My nose hurts.就不用加is My head hurts.My nose is s____ My throat is sore.My nose hurts. 改错 The one with small nose is his brother ﹙ ﹚1.My nose is small,_____my eyes are big. A.and B.from C.b