阅读短文，然后判断正（T）误（F）。

This is Mr Wang's classroom. It is class 4, Grade 1 of the No.14 Middle School.    Mr Wang usually stands in front of the blackboard(黑板). He often talks with his students and sometimes writes on the blackboard. His class is very big. There are a lot of students in his class. Some of them are not Chinese, but they are all good friends.     Wang Lin and Tim are not tall. They sit in the front row now. Wei Hao and Mary sit in the second row. The twins are in the middle of the classroom. Bill smith is taller than most of the class. So he sits at the back now.

(    ) 1. This is a big classroom. (    ) 2. Mr Wang often stands in the back of the classroom. (    ) 3. There is a blackboard in front of the classroom. (    ) 4. The students in Mr Wang's classroom are all Chinese. (    ) 5. Bill is the tallest(最高)boy in the class.