英语超好的来完形填空
选择词语适当形式词语：among,of,believe,seem,reply,back,balloon,study,perhaps,understand,answer,land(有两个多余）
ManypeopletodaylikereadingstoriesaboutUFOs.Manypeopleindifferentcountriesare1.___theUFOs.ButwhatareUFOs?
TherearesomedifferentsayingforUFOs.2.___thosesaying,themostpopularoneforUFOsisthattheycarryvisitorscomingfromotherstars.They3.___toflymuchfasterthanplanestotheearth.
UFOscientistsandmanypeople4.___thissaying.SomepeoplesaidthattheysawafewUFOsthat5.___landedonearth.SomepeoplesaidtheysawsomestrangevisitorscomingoutoftheUFOs.SomeevensaidtheywerecarriedawayintheUFOs,andthenweresent6.___bythestrangevisitors.
SomepeoplemakemistakeswhentheysaytheyhaveseenUFOs.7.___theyseeaweather8.___oranuncommonplane,orthelighttheyseeintheskycomesfromtheground.Sometimestheyseethelightfrommoon.
Buttherearealotofthingswecan't9.___.Now,peoplestillcan'tunderstandUFOsclearly.Itmaytakemanyyearstofindaclear10.___andthenpeoplewillgiveUFOsanothername.