Помогите с 4 и 5 номером.

4. 1 where do you live 2 What are you doing today 3 What does BMX stand for 4 why do you like cycling 5 how often do you practice here at the track 6 how many bikes have you got 7 how much do these bikes cost
5 1 I often go....2 ...people celebrate...3 ...listening to... 4 does Alex play the guitar 5 we are going to...6 there are a lot of....7 there isnt any...8 ...classrooms are there at...