1:There are no lessons on Saturday in the USA
=>Students
2)Everyday we have five classes and each class last forty-five minutes
=>we
3)It is a quater to ten
=>It is
4)The library of longress contains over 100 million books
=>There
5)Miss Lien has a son. He is twelve years old
=>Miss Lien
Loga
Sinh Học lớp 12
