-Ing and infinitive (verbs with both possibilities)

Jane went on ... for another two hours.
1. sleeping
2. sleep
3. to sleep
He told us his name and went on ... us to his wife
1. introducing
2. introduce
3. to introduce
We didn't mean ... you.
1. interrupting
2. interrupt
3. to interrupt
Being a doctor means ... long hours.
1. working
2. work
3. to work
She tried ... her homework, but it was too difficult.
1. finishing
2. finish
3. to finish
You should try ... more fruit. It's good for your health.
1. eating
2. eat
3. to eat
He regrets ... with his best friend.
1. arguing
2. argue
3. to argue
We regret ... you that tonight's performance will be cancelled.
1. informing
2. inform
3. to inform
Oh, no! I forgot ... the front door.
1. locking
2. lock
3. to lock
I'll never forget ... my favourite film star.
1. meeting
2. meet
3. to meet
Claire likes ... She says it's very exciting.
1. skiing
2. ski
3. to ski
I like ... to the dentist every six months.
1. going
2. go
3. to go
I must remember ... these letters today.
1. posting
2. post
3. to post
I remember ... the book, but I don't know who wrote it.
1. reading
2. read
3. to read
I have stopped ... horror films because they give me nightmares.
1. watching
2. watch
3. to watch
We stopped ... some food before continuing our jorney.
1. buying
2. buy
3. to buy