Ving or to V _ Герундий или инфинитив

My little brothers like (draw)

My classmates always refuse (help) the teacher. It's so rude of them!

Don't let your cat (climb) this ladder.

(drive) a car is very exiting.

We agreed (help) our neighbours to plant trees.

I promise (return) this book on time.

I don't mind (open) the window.

Students must (hand in) their homework on time.

Last week we decided (take part) in the singing contest.

I just can't (eat) boiled onion! Yuk!