The students danced in the classroom ,(surround)__________ the new teacher.

When I entered the classroom, three students ________(test) by the teacher.

The Korean students can interact with a robot in the classroom which is controlled by the teacher.

Students are always interested in finding out _____ they can go with a new teacher.

A、

how far

how soon

how often

how old

There are twenty students in the classroom. of them has a new book.

A、Every
B、Both
C、Each
D、All