To be part of history is like a miracle.(改为同义句,用it作形式主语)顺便解释
To keep in good health is very important.用it作主语改为同义句
To learn Chinese is difficult for a foreigner.改为用it作形式主语的句子
This computer cost 600 dollars.(用it作形式主语,改为同义句)
To obeythe laws is everyone's duty.改为用it作形式主语的句子
To study hard is very important.(改为it 作形式主语)
It is easy to take care of a tortoise.(改为同义句)
to be a basketball player like him is my dancer.改为同义句
To be a basketball palyer like him is my dream.改为同义句
75% of the students would like to take part in it 同义句
It seemed to be a concert改为同义句
To swim in this river is very dangerous(用IT作形式主语改写句子)
改为同义句 The best way of learning a language well is to use it