what would you do if you __an alien in the street?

what would you do if you __an alien in the street? What would you do if you have met an alien in the street?这句话 what would you do if you came face-to-face with an alien? What would you do if you were in his place? if you were in charge of the world,what would you want to do -What would you do if you _____ the traffic accident? What would you do if you failed the final what if you met a tiger in the street What would you do if you failed? what if =what would you do what would do if you won a gold medal in the Olympic Games? 一个英语单词填空题what would you do if you___ ___ ___ ___ in the lott