Нужно с каждым словосочетанием ( одно словосочетание - одно предложение) составить небольшие предложения. to be fond of gardening, to be fond of traveling, to be fond of reading, to keep fit, to keep a secret, to go to go to bed, to do by bike/by, to go for a walk.

My friend is fond of gardening.My parents are fond of travelling.The friend of mine is fond of reading.Doing sports will help you to keep fit and be healthy.I can't say that I can keep a secret.It's not about me.I always go to bed late because I have a lot of homework.In summer I go to school by bike.I usually go for a walk in the evenings.