1) The countries which are developing will sooner or later catch up with the countries which have been developed.


2) What do you think of the article which was written by Mr. Smith?


3) The club is run for the workers who have retired.


4) Tell those children who are playing outside not to make so much noise.

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5) This is the road that leads to the village.


6) Mary and her brother ate all the cakes that had been made by their mother.