A series of mysterious lights 1) (spot) above Cambridge late Sunday night. Video footage of the unusual sighting 2) (capture) by eye-witness Steven Morgan, an amateur astronomer. The strange phenomenon 3) (observe) by Morgan while he was studying a passing meteor shower. In an interview with local journalists, he claimed the lights were a bright blue colour. At the moment, the video footage 4) (examine) by experts at London University to determine whether it is a hoax. An official report 5) (not/release) yet. However, it 6) (believe) by some who have viewed the video that the lights were fireworks from a nearbly festival. Expert opinion on the matter 7)reveal in upcoming days. Пассивный залог, нужна
2. This is the man whom Nora met in Rome. - Это мужчина, которого Нора встретила в Риме
3. This is the picture which Nora took in France. - Это фотография, которую Нора сделала во Франции.
4. These are Nora's friends who travelles with her. - Это друзья Норы, которые путешествовали с ней.
5. These are the books which Nora read. - Это книги, которые Нора читала.
6. This is the driver who took Nora to the airport. - Это водитель, который отвозил Нору в аэропорт.
2) I have to write an essay about the types of computer systems.
3) I couldn't come to the college yesterday.
4) We had to stay at home and couldn't go to the cinema.
5) Why can't you turn off the computer?
6) Can robots speak (talk) in foreign languages?
7) You mustn't (shouldn't) be late for the lessons.
8) Who can change the hard drive?
9)May (can) I turn on the computer?
10) You shouldn't (don't have to) change the hard drive, use the program HDDife.
11) You mustn't turn the computer on, you must do your homework first.
12) Must I write the essay?
13) He should come in time, I sent an email to him yesterday.
15) He must play the piano for 5 hours a day, to become a good musician.
15) M. couldn't call me yesterday, he was busy.