Поделитесь своими знаниями, ответьте на вопрос:
ТЕМА PAST SIMPLE AND PRESENT PERFECT❤️❤️❤️(не могу понять задание, возможно нужно добавить слова маркеры) Continue the following situations with one or two sentences.1. a. Linda has taken the text-book to the university.b. Linda took the text-book to the university.2. a. My uncle has bought a new Jaguar.b. My uncle bought a new Jaguar.3. a. Granny knew the Blakes for a long time.b. Granny has known the Blakes for a long time.4. a. Have you ever driven a Rolls Royce?b. Did you ever drive a Rolls Royce?5. a. They have been married since 1992.b. They were married since 1992.6. a. My mother has worked here for 25 years.b. My mother has been working here for 25 years.c. My mother worked here for 25 years.7. a. We had toast and coffee for breakfast this morning.b. We have had toast and coffee for breakfast this morning.8. a. Our family has owned this ancient building.b. Our family owned this ancient building.
2. Computers are used to perform series of mathematical operations. a. are used
3. To reduce power losses, thick wires should be used. b. To reduce
4. For information , it must be attached to a radio – frequency carrier wave. a. to be transmitted
5. Various installations to transform electric power into mechanical and heat power. c. are being used
6. The experiment to be continued. c. is reported
7. A computer to possess four main parts. b. is known
8. The atmosphere to extend several hundred kilometers above the Earth. a. proves
9. Transistor batteries to be used in systems that have to operate on weak signals, for example, in ultra-long-distance space communications. c. were expected
10. Materials very high resistance are called insulators. a. having