rewrite the following sentences.
1. one of the greatest archaeological finds of all time is the Terracotta Army of ancient China
2. there has been an overall rise in the number of students enrolling in higher education in the last twenty years.
3. By law, Japanese childen have to attend school from the age of 6 to 15, but english children start compulsory school at the age of 5 and continue until they are 16
4. A world-class event, such as the olympics, demands world-class facilities from the host city, and any which do not already exist will have to be built.
5. It is argued that international trade has been one of the main causes of world economic growth over the past half century. Although there is little doubt