There is 800 ﹣ meter ﹣ long road in front of the school．（　　）

Mary didn't tell her parents that she was going home because she wanted to give them a．（　　）

Kate Ben is late． They always go to school on time．（　　）

How can you study in the living room when other people are talking loudly？I think you need a place．（　　）

the help of the classmates， he got to the top of Hongjun Mountain successfully．（　　）