The government has taken some measures to solve the shortage of water, but it may be some time __ the situation improves.
It was not until I came here ________ I realized this place was famous for not only its beauty but also its weather.(2012·湖南)
Little ________ about her own safety,though she was in great danger herself.
Not until he left his home ________ to know how important the family was for him.
—It's nice.Never before ________ such a special drink!—I'm glad you like it.
For a moment nothing happened.Then ________ all shouting together.