(1)A sentencecan be expanded by adding to it a modifier.e.g. I have made somearrangements for the coming holiday,which I hope to discuss with you when you arrive here.Chengdu is a beautiful cit边 Chengdu is a beautiful city with many interesting places of historical significance. Writing ClassWriting Class (1) A sentence can be expanded by adding to it a modifier. e.g. I have made some arrangements for the coming holiday, which I hope to discuss with you when you arrive here. Chengdu is a beautiful city. — Chengdu is a beautiful city with many interesting places of historical significance