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

（2014山东省实验中学高三第二次模拟考试）4．Your dreams can be achieved ____________ you have a goal and go for it with perseverance．

The research results show that the earth goes a little faster ______it is closer to the sun.

Brian talks to me like a child，_____really annoys me．

It is generally considered unwise to give a child ________ he or she wants.