My dream is to travel around the world when l grow up.为什么要加to?可不可以去掉to,travel加ing?

是my dream is traving around the world when i grow up?对,还是my dream is to trave around thearound the world when i grow up?对 my dream is to be with you Go还是going to college is my dreamGo to college is my dream.还是Going to college is my dream. ______(trave) from one place to another is very tired It is my dream to become a doctor同义句___ ____a doctor is my dream to visit Beijing is my dream.visiting Beijing is my dream.是不是都可以呢? To be a volunteer is my dream=being a volunteer is my dream吗 To be a vulunteer is my dream=being a vulunteer is my dream吗 为什么说my dream is to be a worker 而不是my dream is being a worker What is my dream? My dream is to be a scientist这一句中系动词是dream还是is My dream is to become a scientist什么意思 My dream is to be a great dancer. go to one of the best university is my dream My dream is to ____应该加be还是with my dream is to be a teacher作文 My dream is what?Future want to do? 用 My dream is to...,I will achieve 造句