go III/ ERROR CORRECTION Find the underlined part that needs correction in each of the following questions. 13. In my dream, I talked to an alien from another planet by a very strange language. A. In C. from D. by B. to 14. We walked down that empty street when a UFO appeared in front of us. A. walked B. that C. a D. front 15. Where do people live in the future if there is not enough room for everyone on Earth? A. do C. enough B. in D. for D. that 16. The gravity on the moon is different of that on Earth. A. on B. is C. of IV/ WORD FORM Write the correct form of the given words. 17. It is possible that we find. 18. I find her story about UFOs hardly. 19. Environmental pollution has led to the. animals from our planet. (APPEAR) 20. Many UFO things on another planet. (LIVE) (BELIEVE) of many species of plants and have been recorded by the United States government. (SIGHT)