In that case, he could not afford to leave the boy behind.
Besides, he didn't want to leave the boy up here alone.
Something to think about if he had to leave the boy on his own like.
"How was I to know that you'd leave the boy alone?"
Even if he were tempted to leave the boy behind, they'd never let him do it.
The man then went on his way, and left the boy looking after him.
It left the older boy with tears in his eyes.
One reason was that he could not leave the boy at home alone.
The sergeant told his men to leave the boy behind.
She takes the girl with her and leaves the boy behind.