carefully， too much traffic， in order， difficulty， so far，pushing for， is afraid of， keep in touch with， hurry

（1）Because of　　， I was late for the meeting．

（2）It's too dark outside． Sandy　　 going out alone．

（3）One of the good ways to love parents is to　　 them．

（4）The little boy has no　　 expressing himself clearly in English．

（5）You always put things here and there． You should learn to keep them　　．

（6）Mother told me to go through the papers　　 before the exam was over．

（7）The Journey to the West《西游记》has been translated into several languages　　．

（8）Huawei built by Ren Zhengfei is　　 the development of Chinese science and technology．