Ngữ pháp toefl itp – Cách sử dụng từ A và An P1

The system of chemical symbols, first devised about 1800. gives a concise and instantly recognizable description of a element or compound

Both the United States silver dollar and half-dollar, first minted in 1794, had a figure of Liberty on one side and a eagle on the reverse side.–>

The International Monetary Fund was created in a effort to stabilize exchange rates without interfering with the healthy growth of trade.

For a seagoing, cargo-carrying sailing vessels, the clipper ship was remarkably fast.

A large collections of materials focused on Louisiana’s history and culture is provided by the Williams Reseach Center in New Orleans.