日本語をクリックすると英文が表示されます。まずは自分で英語にしてから答え合わせを。
It is necessary for you to work hard.
It is necessary that you see a doctor.
Sleep is necessary for good health.
Your help is necessary to our success.
Is this really necessary?
We may find it necessary to leave early.
I don't think it's necessary for me to sound like a native speaker, I just want to be able to speak fluently.
If necessary, I'll come at nine tomorrow.
He didn't want to spend any more time than necessary in Boston.
I think it's necessary for him to go there.
A passport is usually necessary when you travel overseas.
It is not necessary for you to quit the job.