阅读理解。
Today is Friday. The students on duty come to school early. They clean the classroom and the
blackboard . Then they put the desks and chairs in good order (顺序) . One of them takes down
(取下) an old map and puts up a new map of world on the wall . After all this, all the students come.
They sit in a nice classroom. Mr Zhou is very glad to see the clean classroom. He thanks them for it.
1.Today ______ clean the classroom .
A .all the students
B. some students
C. one student
D. the teacher
2. When class begins, the classroom is ______.
A. in good order
B. on duty
C. big
D. not clean
3.How does Mr Zhou feel when he sees the clean classroom ?
A. sad
B. angry
C. glad
D. sorry