The boy hit a home run 中的boy是第三人称单数,为什么hit不要变复数?

The boy hit a home run 中的boy是第三人称单数,为什么hit不要变复数? A car hit the little boy 对此句进行提问 Just now I threw a stone at a boy.The stone hit him on the head. He was hit in the face by a big boy.为什么不是On the face he( )the boy a heavy blow.A.hit B.hits C.beat D.heats A boy hit John this morning A car( )(hit)the boy and rolled him over.让她走=（ ）（ ）leave. hit sb on the nose和on sb's nose 的区别?有谁知道the ball hit the boy ____ nose.A.on the B.on his hit a little too close to home the boy had -accident just now,a car - him.A an,hit B a,hit C an,hurt D a,hurt The boy hit me ____ head.A on the B in my C at my D in the the man on the motorbike travelled( ) fast( ) hit a boy a.very;and b.too to 为什么 take the boy home 中文 the book is a hit 1.the boy riding a bike is my couson.2.the boy hit by the car is my couson.为什么用riding和hit解释一下两个句子的用法 He hit the boy on his nose改错 初二英语09The car ______(hit) the boy and the boy was badly hurt The boy r( ) a special gift on his sixth birthday