Reducing An Adjective Clause Into An Adjective Phrase

TOEFL Preparation Exercise: Reducing An Adjective Clause Into An Adjective Phrase

1. Combine the following sentences using adjective clauses. Please pay attention to the punctuation, and put commas where necessary.
2. Reduce thea djective clauses into adjectiv phrases.

Example:

1. On 27 October 1945, a British plane from Jakarta dropped leaflets over Surabaya. They urged all Indonesian troops and militia to surrender their weapons.

1. On 27 October 1945, a British plane from Jakarta dropped leaflets over Surabaya which urged all Indonesian troops and militia to surrender their weapons.
2. On 27 October 1945, a British plane from Jakarta dropped leaflets over Surabaya urging all Indonesian troops and militia to surrender their weapons.
1. The Battle of Surabaya became a symbol of resistance to the re-imposition of Dutch colonial rule. It cost the lives of many thousands of Indonesians.
1. The Battle of Surabaya, which cost the lives of many thousands of Indonesians, became a symbol of resistance to the re-imposition of Dutch colonial rule.
2. The Battle of Surabaya, costing the lives of many thousands of Indonesians, became a symbol of resistance to the re-imposition of Dutch colonial rule.

ref : http://www.misterguru.web.id/2011/09/toefl-preparation-exercise-reducing.html