Open the brackets using the –ing form. I admit(to work) with him for a while. The rescue workers practise (to climb) high walls and buildings. It’s worth (to try) to make her do bangee jumping. She loved (to look) at clouds when she was child. He didn’t deny has strange habit (to watch) his neighbours through binoculars. There’s no point in (to argue) on the question. We don’t mind(to surf) on holidays. They look forward to(to visit) us on Christmas. The couriers have difficulty in(to make) deliveries on time because of traffic jams. She couldn’t help(to laugh) at the clowns as if she were a kid.
I admit working with him for a while. The rescue workers practise climbing high walls and buildings. It’s worth trying to make her do bangee jumping. She loved looking at clouds when she was child. He didn’t deny has strange habit watching his neighbours through binoculars. There’s no point in arguing on the question. We don’t mind surfing on holidays. They look forward to visiting us on Christmas. The couriers have difficulty in making deliveries on time because of traffic jams. She couldn’t help laughing at the clowns as if she were a kid.