【简答题】About 1966 or so, a NASA(美国航空航天局) team doing work for the Apollo moon mission took the astronauts near Tuba City. There the landscape of the Navajo Reservation looks very much like the lunar suce. ...
【简答题】We can never forget the days_______ the two astronauts in spaceship worked together and the days ________ wespent together. A. whenwhich B. which when C. what that D. on which when