You can’t imagine how beautiful the mountain is _____you see it with your own eyes.

At horse races, everyone has already studied the form (类型) of the horse______.

. We all think that _____ no need to makelaws to prevent the young from getting married during their college life.

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

Hurry up! The film _______ for ten minutes.