Teaching and learning _____ greatly from each other—they are two entirely different processes.

ing to scientists, our mental abilities begin to ___ from the age of 27 after reaching the highest level at 22.

The book veryinteresting. Tell me more about it. — OK.

Where did you buy such a beautiful jacket? — It was in the supermarket ____ I met you yesterday. [ ]

______ disappointed us most was that the guide wasalways asking us to leave ____ we thought very interesting.