Вставьте модальные глаголы can, may, must: You .... check your account carefully. You .... answer this letter immediately.

You must check your account carefully. You must answer this letter immediately. You can keep the documents more than 2 weeks. Can you lend me $10? Leonardo Da Vinci was a student in Florence. He could draw, design buildings and write music. You can’t park your car here. This problem must be solved. Many different commodities may serve as money. Can we translate the Protocol into Russian? He may be speaking on the phone.