Помогите решить Английский язык срочно

1. You have only just started the job, haven't you?
2. Let us try using another conductor in the device, shall we?
3. Please call me the moment when you hear any news, will you?
4. There exist various types of radio receivers, don't it?
5. The methods of radio engineering are now applied in various fields of science and technology, aren't they?
6. He cannot translate this article without a dictionary, can he?
7. David decided to study Chinese, didn't he?
8. She is not experienced enough to deal with this task, is she?
9. The teacher said that we could take dictionaries into the exam with us, didn't she?
10. Your brother will graduate from the university in two years, won't he?
11. She need not pay for the whole course in advance, need she?
12. They have been developing this model since last year, haven't they?

1. You have only just started the job, _haven't you__?
2. Let us try using another conductor in the device, _shall we__?
3. Please call me the moment when you hear any news, will you___?
4. There exist various types of radio receivers, ___?
5. The methods of radio engineering are now applied in various fields of science and technology, _aren't they?

6. He cannot translate this article without a dictionary, _can he__?
7. David decided to study Chinese, _didn't he__?
8. She is not experienced enough to deal with this task, _is she__?
9. The teacher said that we could take dictionaries into the exam with us, _didn't she__?
10. Your brother will graduate from the university in two years, won't he___?
11. She need not pay for the whole course in advance, need she ?
12. They have been developing this model since last year, _haven't they?__

если слева есть not то справа его быть не должно и наоборот