It's necessary to learn English well.
It's necessary to learn English well.
It‘s necessary for us___(learn)English well说明原因
it's necessary for us to learn english well同义句
I think it necessary to learn english well.同义句
It's important to learn English well.
It's i_____ to learn English well.
To learn English well is necessary 改为it为形式主语的句型
划分英语句子成分,it is necessary for us to learn English well.
It's n( ) for us to learn English well.
It's important for us to learn English well.
it's very inportant to learn English well 同义句
He finds it's really hard to learn English well.