完成句子。（每空一词）
我为即将到来的考试做好了准备。
I have _________ ________ for the coming exam.
每一个孩子都渴求知识。
Every child is ____for ______.
私家车越多，交通越糟糕。
The cars people have, the ________ traffic there will be.
张老师总是鼓励学生们努力学习实现他们的梦想。
Mr.Zhang always encourages his students to work hard to ______ their ______.