Ответ:
2) What I should do -C
3) where they were going-A
4) When did the film start-D
5) Why Dianna is running-B
6) Why did she leave so early-G(методом исключения, но я не уверенна что это правильно)
7) Who is that girl-J
8) How often do you play football- I
9) When did you buy this bike-F
10) Which shirt I should buy-H