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。
I think it's necessary for him to go there.
It is necessary to do some exercise every day.
If necessary, I'll come at nine tomorrow.
The doctor said it'll be necessary to operate.
We may find it necessary to leave early.
I will provide you all the necessary information.
Your help is necessary to our success.
He doesn't have the necessary skills for that task.
It is necessary that you see a doctor.
If you are going abroad, it's necessary to have a passport.
I really don't think that's necessary.
I'll need at least a day to make the necessary preparations.