1 Choose the correct answers. 1 a Travels around the world is an expensive hobby b Travelling around the world is an expensive hob 2 a Susan avoids to drive in heavy traffic. b Susan avoids driving in heavy traffic. 3 a The boys went upstairs without to make any no b The boys went upstairs without making any nois 4 a You are not old enough to take driving lessons. b You are not old enough for taking driving lesson 5 a They are looking forward to going on holiday. b They are looking forward to go on holiday. 6 a He couldn't get used to live away from home. b He couldn't get used to living away from home. 7 a Would you mind giving me a lift? b Would you mind to give me a lift? 8 a I reminded him returning the book to the librar b I reminded him to return the book to the library