What does “too young to do” mean— It means “_____ to do”.

With the old man ______ the way, we had no trouble in finding the village.

Happy birthday, Alice! So you have _________ twenty-one already!

She said she had got ________ of looking at nature through dirty curtains and dusty windows [ ]

This is an illness that can result in total blindness _____ left untreated[ ]