to V or V-ing???

My brother gave up ____________ video games.

• playing

• to play

My mom really enjoys _____________ the movie "Titanic".

• watching

• to watch

Can you afford __________ so many presents?

• buying

• to buy

Young people should practice _____________ .

• swimming

• to swim

How did you learn ______________ English so well?

• speaking

• to speak

I thought we discussed __________ to Japan and now you want to go to Korea!

• going

• to go

We finally managed _____________ my passport!

• finding

• to find

I look forward to ___________ you when I come next week!

• seeing

• see

It was very kind of Jack to offer _________ the house this weekend!

• watching

• to watch

No! I refuse _______ a moment longer!

• waiting

• to wait