英语完型!many people today like reading stories about ufos

英语完型!many people today like reading stories about ufos
many people today like reading stories about ufos.in many countries,people are ___1__ ufos.
there are some different ideas about ufos.among then,the most____2___one is that they carry visitors coming from other stars.they ___3___to fly much faster than planes.some ufo scientists and many other people___4____ithis idea.some people said that they saw a few ufos land on the earth.___5___people said they saw some strange visitors coming out of the ufos.some___6__said they were carried away in the ufos,and then were___7___by the strange visitors.
some people made mistakes when they said they had seen ufos.____8___they saw a weather balloon or an uncommon plane.sometimes they saw the light from the moon.
but there are a lot of things we can`t understand.now,people still can`t understand ufos___9___.it may ___10___many years to find a clear answer and then people will give ufos another name.