"Oh," said Astro, nudging Tom, "now I get it!"
"You get what?" asked Roger innocently.
"Those girls," said Astro. "They're just climbing aboard."
Glancing at the air lock, Tom saw three young and pretty girls file into the ship. "Oh, so that's it, huh?" he said, looking quizzically at his unit-mate.
Tom saw three pretty girls board the ship
The blond cadet's eyes were wide with mock surprise.