1 Open the brackets using the -ing form. 1) I admit ________ (to work) with him for a while. 2) The rescue workers practise ________ (to climb) high walls and buildings. 3) It's worth ________ (to try) to make her do bungee jumping. 4) She loved ________ (to look) at clouds when she was a child. 5) He didn't deny his strange habit ________ (to watch) his neighbours through binoculars. 6) There's no point in ________ (to argue) on the question. 7) We don't mind ________ (to surf) on holidays. We're taking the necessary equipment. 8) They look forward to ________ (to visit) us on Christmas. 9) The couriers have difficulty in ________ (to make) deliveries on time because of the traffic jams. 10) She couldn't help ________ (to laugh) at the clowns as if she were a kid.