Gerund VS Infinitive.Тест срочно помогите!

David gave up …………..…. (smoke) two years ago and now he feels much better. Smoking.
A stranger stopped ………… (smoke) on the corner of the street. To smoke.
The actors started ……….. (play) at the moment we went into the theatre. Luckily, we were not late. Playing.
“I don’t want ………… (play) the piano right now”, protested the girl. To play.
I had some problems with the translation and my brother offered ……….. (help) me. To help.
I enjoy ……… (help) my friends. Friendship means …………. (help) each other. Helping.
«Romeo and Juliet» is a very interesting and romantic film. It is worth ………. (see). Seeing.
The tourists from Great Britain came to Moscow ……… (see) its wonderful places of interest.To see.
My mother promised ……. (cook) a lot of tasty things on my birthday. To cook.
She likes …….. (cook) for our family. She is good at it. Cooking.
My uncle is fond of ……… (travel). He has been to ten countries! Traveling.
I’d like ……… (travel) all over the world when I grow up. To travel.
– When did Mr Busy learn ……….. (repair) cars? –When he was fourteen. Repairing/to repair - both.
Nick can’t stand ………. (repair) his old bicycle every month. To repair.
I’d like ………… (eat) five cakes, I’m so hungry. To eat.
My little brother denied………… (eat) my orange. Eating.
I hope ……… (visit) as many foreign countries as possible. To visit.
I like the idea of …….. (visit) the History Museum. Visiting.
Pete finished ……….. (do) his homework an hour ago. Doing.
Clever students want ……… (do) difficult exercises to improve their English. To do.