The teacher spoke __________to the students.

He is a teacher ________ by his students.

A、

to love

loved

loving

being loved

The teacher came into the classroom ____by his students.

A、

following

to be following

followed

having followed

The teacher is very stern to his students.

A、

permissive to

flexible with

severe with

rude to 

A teacher should____ knowledge to students.