Fill in who, why,what,how,how much, how many,how old,when,where ,whose. 1.are you so happy? because I have a birthday

Why are you so happy? Who is sitting behind you? How do you go to school? When does the first lesson begin? Where is the police-station? How is the weather like in Israel? How much do the tickets cost? I don\'t know. How does your mom go to work in the morning? What does he usually have for lunch? Who wants to sing this song? Whose book is that? When do you have the longest holidays? Who can translate this word in English? What is your address? Why are you crying?