Professor James gives the students homework at the end of the class.
The students are given homework at the end of the class by Professor James.
Today, the country _______(know) officially as the Republic of China.
Today, the country is known officially as the Republic of China.
It is thought that the ancient Egyptians had advanced knowledge of geometry. a. I think that the ancient Egyptians had advanced knowledge of geometry. b. People think that the ancient Egyptians had advanced knowledge of geometry.
b. People think that the ancient Egyptians had advanced knowledge of geometry.
Many of the tiny islands ________ names. (not give)
Many of the tiny islands have not been given names.