It’s really very dangerous.One more step，________ the baby will fall into the well

Oh, boy, why are you killing your time this way? Can’t you find something _____ doing?

If you _______ this newspaper, you’ll get an extra magazine.[ ]

An completely new district of industry has appeared in ________ used to be wasteland.

think 3,000 yuan is enough to ______his needs for the tour to Beijing