1、About one（ quarter ）of students in our class are girl students.
2、Do you know the meaning of "you are（ lazy ）dog?"
3、There are nearly ten thousand people in our （ town ）.They are getting richer and richer.
4、Luckily（ ）,he was not hurt in the car accident.
lazy dog 懒家伙 和 luky dog 幸运星 都可以