Jumbled up sentences i. only / compete /before / the / amateurs / could / in / olympic games / 1988. ii. watched / people / over / the / television / sydney olympics / 3.5 / billion / on. iii. in / thousand / more / than / 2004 / competitors / took / eleven / part / in summer olympics / the / sydney. iv. the / the / large / it / of / who / take / olympics / makes / number / difficult / expensive / part / for / host / to / people / cities / organize / and.
2. Over 3.5 billion people watched the Sydney Olympics on television.
3. More than eleven thousand competitors took part in the Summer Sydney Olympics in 2004.
4. The large number of people who take part makes it difficult and expensive for host cities to organize the Olympics.