Put the correct noun form of the underlined verb in the gap to complete the definitions. 1.Ifyou invent something important , this __ may become famous .
1. If you invent something important, this invention may become famous. 2. Something that arrives, such as a plane flight, is an arrival. 3. You can say you improve something, or that you make an improvement to it. 4. Something you publish, such as a book or a magazine, is a publication. 5. If you explain something clearly, then you are giving a clear explanation. 6. Someone who trains people to do something is a trainer.
