C12:who come to the party alone  C13 :who go to the museum yesterday C14:how did they come C15:when have you been here C16:whose car did you borrow C17:Who would you like to talk to C18: who buy the tickets of the concert C19 :how many ciagarettes  does your father smke a day C20:how much is this book C21:how does her bag weight C22:how old will you be next week C23What language is she taking this semester C24 What eat applesC25  how is the car