I shall never forget those years _______ I lived on the farm with the farmers, _______ has a great effect on my life.
The station is two kilometers _______ the hospital.
Beijing has ______ many buses that there is often a traffic jam in rush hours.
This box is ______ heavy ________ I can’t carry it.
India has the second _______ population in the world.
Mary received ________ many postcards at Christmas.