Read the paragraph and highlight the sentence where the verb in the future simple expresses promise. • When space travel becomes more popular, people will travel more. They will know more about aliensand life on other planets. I want you to join me and see my new alien friends. When I come back, Iwill travel to another planet. Will you join me? That's all my news for now.I will write to you more about my new friends when I have time.​