Viết SS là câu triển khai (supporting sentence) và CS ;à câu kết (Concluding sentence) 1. The best way to see San Francisco is by walking. _____a. When you explore San Francisco by foot, you can experience all the city has to offer. _____b. When you walk, you experience the different smells of the restaurants, the plants and sometimes the ocean. ____c. You can stop and look in the windows of shops or sit on a bench for a short while and look at interesting people. _____d. In a car or a bus, you cannot stop easily if you see something interesting because parking is difficult. 2. An egg taco takes only five minutes to make. a. Your delicious egg taco is ready to eat in just a few minutes. b. Heal a flour tortilla in a small amount of water. c. Scramble two eggs with a little salt and pepper. d. When the eggs are done, slide them into the warm tortilla and fold it over. 3- My paper is late because something happened to my computer. a. I was almost finished writing my paper, and I was checking it for errors. b. Suddenly, my computer screen went blank, and the power was gone. c. The accident made me lose many hours of work, so I could not turn in my essay on time. d. Later, I learned that a squirrel got on the power line and disrupted the electricity. 4. I enjoy the riverwalk in San Antonio. a. The riverwalk is lower than the streets of the city. b. You can walk down stairs to a canal with a stone path and plants on each side. c. There are many shops, restaurants and hotels along the path. d. The riverwalk is a pleasant place to spend an afternoon or evening in San Antonio.