It is difficult for us to learn a lesson in life ________ we’ve actually had that lesson.
There are altogether eleven books on the shelf, ______five are mine.
You can't wear a blue jacket _____ that shirt — it'll look terrible.
1 feel that one of my main duties ______ a teacher is to help the students to become better learners.
It was a pity that the great writer died _________his works unfinished.
In order to change attitudes _______ employing women, the government is bringing in new laws.