.No teachers are permitted ________ in the classroom or in the office.
You must have watched that football match last night, __________?
_________the phenomenon of “bystander effect”in the Yueyue event, most Chinese strongly believe that there still exist love and warmth in people’s hearts.
---Do you remember John who disliked learning at school? Have any news about him?---Oh, John, you couldn’t imagine he _______ teacher.
The old pictures bring them to the days ______they spent together, ____life was hard but happy.
Don’t you think this shirt is too tight _____ the shoulders?