Match the parts of sentences given in column 'A', 'B' and 'C' to write four complete sentences.

Column A	Column B	Column C
(a) People	(i) require	learn and use English properly
(b) They	(ii) cannot but	(ii) the purpose more effectively than other languages
(c) English	(iii) can serve	(iii) a common language for the purpose
(d) Therefore all	(iv) need to	(iv) communicate with others internationally