Which of the sentences below is written correctly? which of the sentences below is written correctly? a. all of the soprano singers tries out for the concert solo. b. none of the trumpet players have their music with them. c. some of the book were difficult to read and boring to me. d. most of the team have their own practice gear already.

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were a wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.