Упр.4 какое вопросительное слово надо использовать…

1 Where do I go every day? (TO THE INSTITUTE) 2-Who is a student of the medical institute? (MY FRIEND) 3-What is this man? /What kind of man is this? (A VERY GOOD DOCTOR) 4-What language do I learn? (ENGLISH) можно без слова language5-How many friends do I have? (MANY friends)