【简答题】The article consists of three stories about ________________ . The first story is about a __________ named Wan Hu, who made an unsuccessful attempt at ____________ in A.D.1500. He built a spaceship p...
【简答题】The Spruce Goose was the biggest airplane ever_______( build) and still holds the record for the greatest wingspan, and it was made entirely of wood.(Para.5 , U5)