- It’s turn the classroom.A. hers to cleanB. her to cleanC. her cleanD. hers cleaning

问题补充：

- It’s turn the classroom.

A. hers, to clean

B. her, to clean

C. her, clean

D. hers, cleaning

答案：

A. hers, to clean

(答案→)B. her, to clean

C. her, clean

D. hers, cleaning

解析：本题考查的是，It’one’s turn to do sth，故选B