1 These sentences all come from the article on pages 74–75. In each case, decide which alternative is correct, without looking back at the text (O refers to no article). 1 A/O pyramids have fascinated the/o people for Ola thousands of years. 2 ThelA most famous of them are a/the three at thel0 Giza. 3 Each pyramid is Ola tomb, built by a/c pharaoh. 4 Later, the/0 sun became O/the more important than the/0 stars in O/the Egyptian religion. 5 They have stood by a/the River Nile for more than 4,500 years. 6 Four and a half thousand years later a/the different kind of pyramid is appearing.