being fun and good exercise,swimming is a very useful skill.
The retired teacher is in his mid-seventies —seventy-six to be _______.
We all ____ to punishing a whole group for one person’s fault.
I had the impression ________ she chose her words carefully.
Teaching and learning _____ greatly from each other —they are two entirely different processes.
— Here is a new edition of Crazy English. Do you want to look at it? — ______! Let me see it.