题目内容：

Studing grammar ia a great way to learn a language.改为同义句

优质解答

Studying grammar is a great way to learn a language.
= It is a great way to learn a language to study grammar.
= It is a great way to learn a language studying grammar.
= To study grammar is a great way to learn a language.
= Studying grammar is a great way of learning a language.