Задайте вопросы к тексту 1. They have already used new technology in their work. 2. The technician will have installed the new equipment in our laboratory by the beginning of the new year. 3. Rapid changes have taken place in science and technology these few years. 4. They have never been late for their classes. 5. He had sent the telegram before they came

1. Have they already used new technology in their work?2. Will the techician have installed the new equipment in our laboratory by the beginning of the new year? (Тут я не уверен)3. Have rapid changes taken place in science and technology these few years?4. Have they ever been late for their classes?5. Had he sent the telegram before they came?