Answer:
In German,
8.Wir gehen ins Kino, um einen Film sehen.
9.Ich fahre so schnell, um pünktlich anzukommen.
10.Sie geht ins Kaufhaus, um zu neue Schuhe kaufen.
In English,
8.we go to the cinema to see a movie
9. I am driving so fast to get there on time
10. she goes to that department stire to buy new shoes
Sie is the proper is the formal way
ihr is the in formal way