A school bag is in ( ) classroom,加不加the

A school bag is in ( ) classroom,加不加the your in classroom perhaps school bag is the怎么连成句子 Oh!I've left my school bag in the classroom. 1.I see my bag in my classroom.Is（ ）（you）in the classroom,to There is a book in the school bag,对 a book提问____ _____in the is/big/classroom/the是什么意思?school/bag/heavy/my/is又是什么意思?急 一个英语问题,The classroom building in our school is about()A,20—m The notebook I ____ I_______ is in my school bag There is a dictionary in the bag. Is () a pencil-case in the bag? Is your classroom the most comfortable in your school? Tom’s classroom is in the c_____of his school