1. You should'n go out alone at night .
2.You must come home after shool
3.Let's go out for a walk around the lake
4.We musn't copy the other teams' work.
5.Other students in my class is shorter than William.
6.How about discussing more about our project ?
7.Can you tell me some well-known traditions on Tet Holiday
8.You should go to bed earrly