điền nhg từ còn thiếu vào chỗ trống:: My name is Tuyet. I'm ten years old, and I'm in ....... five. There ........ forty students in my class. There are twenty ........ and fifteen boys. Mrs. An is my teacher. My school is ....... very big. It ....... are three floors and thirteen classroom. There are twenty-six teachers and five ........ students in my school. There is a library in my school, ......... I love my school very much