Выберите верный вариант ответа.1)Excuse me.Could you tell me how

Изберите верный вариант ответа.
1)Excuse me.Could you tell me how much................,please?
A are these jeans B these jeans are
2) Can you let me know what time........?
A does the train arrive B the train arrives
3)Do you know if.........at seven oclock?
A the show starts B does the show start
4)I wonder if you could tell me what...............
A is the difference B the difference is
5)I wonder if you know who..........ask.
A i should B should i