it's unusualthat he can speak five languages.改同义句 it's unusualthat he can speak five languages.改成(It's...to...)的句式. it's...to 中间加的是形容词对把、? 那、usual for him是形容词吗?
1.答案: It's unusual that he can speak five languages. 改成(It's...to...)的句式,即为: = It's (unusual for him) to (speak five languages). 2.更正,是unusual for him. unusual是形容词,而for him是后面不定式的逻辑主语,不加的话则此句句意不完整.