it must be ___ to fly to the moon ___ a spaceship.

it must be ___ to fly to the moon ___ a spaceship. it must be interesting to fly to the moon Is()possible to fly to the moon in a spaceship? A:it B:which is （ ） possible to fly to the moon in a spaceship?A it B tha Is (it） possible to fly to the moon in a spaceship? is that possible to fly to the moon in a spaceship?为什么用that is（ ）possible to fly to the moon in a spaceship. I wish I ___(fly) to the moon one day to the moon __ spaceship It must be a spaceship. My d_____ is to take a spaceship to the moon. It was in 1969__two American went to the moon by spaceship A