Leaves are found _______ all kinds of trees, but they differ greatly ________ size and shape.
Many experts hold the view teacher’s development is the key to better education lies.
Mr. Smith has three children, the youngest of them music at college.
Generally speaking, the window seat is usually the first one .
Clive moved to London, Edward to run the office in Manchester.
Most countries of the world have records of the great natural catastrophes that before.