He is _______ a good teacher. He is also his students' good friend.
They often chatted about the hard times______they spent together in the old days.
______in March, that so many people had on their light wears.
-It was the headmaster, Tony. You______hello to him.-Sorry. I didn't notice him.
Most parents still hold the view______students should first put their hearts into their lessons.
-Why has she pulled a long face to me?-Well, she seems to______about what you said about her.