my ear is hurts ,his arm hurt .为什么前面一个hurt 要加 s ,而后面一个不用加

my ear is hurts ,his arm hurt .为什么前面一个hurt 要加 s ,而后面一个不用加 This is my ear.是什么意思 My hand____sore A am B is C are His fingears ____A hurts Bis hurt Churt My throat is sore.My nose hurts. hurt的用法,与hurts的区别如；my left leg is ( )His left leg is ( )为什么? What is -------------with you?My arm hurts. is / this / ear / my .怎么拼成句子 this is my ear的复数形式 is / this / ear / my .怎么拼成句子 She left my arms to run into his,grinning from ear to ear. My head hurts.My nose is s____填什么呀 My throat is sore.my nose hurts的意思 my tail hurts 和 my tail is hurt 的区别 danny( )his arm.he is quiet now(填hurt还是hurts)my pen is (break).i need anew one.your mother is (worry) about you. His back（ ）A、hurt B、hurts C、is hurt What’s the matter? My leg——（hurts、sore、is hurts）选填 my nose hurts 意思 His right leg hurts.(同义句改写） There is ___ _____ with his right leg.