can you understand astronauts' jokes
Whats an astronauts favorite meal
Most people are familiar__the stories of astronauts
How will astronauts travel to space
宇航员的妻子 THE ASTRONAUTS WIFE怎么样
It's a good ( )to learn from astronauts.
Evidence has been put forward showing that astronauts expose
The astronauts have _____ to the space station twice
NASA has more stringent weight allowances for its astronauts
Most people are familiar ____ the the stories of astronauts.
some astronauts must travel through the space to repair the
______ our astronauts desire to do is walk in space