many people will travel through s___ to the moon in the futu

many people will travel through s___ to the moon in the futu We will travel to the moon in twenty years airplanes enable people to travel through the air...through是 People will （）rockets to the moon. Have missed many times,will have the opportunity in the futu people will ___ to the moon _______ rocket in the future. In the ________ futu People will go to the moon for vacation in 50 years we never know (what will happen )in the futu I believe that everyone will be able to travel to the moon f how many people have visited the moon? People can fly to the moon in 50 years.