: 1.A Did you like the movie "Star Wars"? В: I don't know. I have never seen that movie. 2.Sam arrived in San Diego a week ago. 3.My best friend and I have been knowing each other for over fifteen years. 4.Stinson is a fantastic writer. He has been writing ten very creative short stories up to now. 5.I have not had so much fun since I was a kid. 6.Things changed a great deal at Coltech, lnc. When we first started working,here three years ago, the company had six employees. Since then, we have expanded to include more than 2000 full-time workers. 7.I told him to stay on the path while he was hiking; but he wandered off into the forest and was bitten by a snake. 8. Listen Donna, I don't care if vou have missed the bus this morning. You are late to work too many times. You are fired! 9.Sam is from Colorado, which is hundreds of miles from the coast, so he has never seen the ocean. 10.How sad! He has never seen the ocean, and now he is dead. 11. In the last hundred years, traveling became much easier and very comfortable. In Jhe 19th century, it took two or three months to cross North America by covered wagon. The trip was very rough and often dangerous. Things changed a great deal in the last hundred and fifty years. Now you can fly from New York to Los Angeles in a matter of hours. 12. Jonny, I can't believe how much you have changed since the last time saw you. You have grown at least a foot! 13. This tree was planted by the settlers who found our city over four hundred years ago. 14.This mountain has never been climbed by anyone. Several mountaineers tried to reach the top, but nobody had ever succeed. The climb is extremely difficult and many people have died trying to reach the summit. 15.I have never visited Africa, but I traveled to South America several times.The last time I went to South America, I visited Brazil and Peru. I spent two weeks in the Amazon, hiked for a week near Machu Picchu,and flied over the Nazca Lines.