become / astronaut / need / hard / special / training A. To become an astronaut, you need very hard and special training. B. To become an astronaut, you need very hard special training. C. Be

To become an astronaut, you need very hard and special training.

To become an astronaut, you need very hard special training.

Becoming an astronaut, you need hard but special training.

Becoming the astronaut, you need very hard and special training.