It is a custom of giving present at Christmas这句话有语法错误吗?

The custom of giving gifts at Christmas can be traced back t Christmas season is a season of giving怎么翻译 His teacher is giving a lesson at present对giving a lesson画线提 It is for a long time that since i left you.这句话有语法错误吗 He is a good player of basketball.这句话有什么语法错误吗? giving a present is better than ( ) one you is a boy这句话有语法错误吗? It is absolutely true.这句话有没有语法错误? Breakfast is a most important meal of the day有没语法错误这句话 John is sure that he would be good at English soon.这句话有语法错误吗 her paper is of greater value than yours.这句话有语法错误吗?尤其是那个OF 这句话有语法错误吗?He is a man with warm heart.这句话有语法错误码?