The Amazon's vital statistics are astounding. At any one time, two thirds of all the river water of the world is flowing between its banks. Here at its mouth, Belem, it is two hundred miles across of bays, channels and islands one of which is a lot bigger than the whole Switzerland. |
Points to Note:
1. At any one time
At any one time, the factory produces ten thousand tones of sugar!
At any one time, the car speeds over 200 miles.
At any one time, 200,000 bee live in the beehive.
2. Plural nouns + one of which...
I have three cars on of which is red in color.
There are four laptops in the office one of which does not work.
English has 26 alphabet letters five of which are vowels.