A. A cuanto ES el libra?
Translation: how much is the book
B. Que ES el dia the hoy
Translation: what day is it today?
C. Cuando ES tu cumpleaños?
Translation: when is your birthday?
D. De donde ERES tu?
Translation: where are you from?
F. Quienes SON los estudiantes en tu clase?
Translation: who are the students in your class?
Im not sure but you just have to write "the" the correct way for the word like casa is La casa and dormitorios is un dormitorios. Hope this helps!