The students in the higher grades I met in a football game are my good friends now.A. when B. which C. who
----___ class is Tony ___? ----Class Five.
Mum, ______ my English teacher, Miss Yang.
This is _____ book. And it is ____ English book.
It is difficult for the students______ the homework on weekends.
I ________a primary school student two years ago.