1. Поставьте следующие предложения в вопросительную и отрицательную форму. 1. Our customers are from English-speaking

1. Our customers aren\'t from English-speaking countries.

Are our customers from English-speaking countries?

2. There wasn\'t a confidential document in that safe.

Was there a confidential document in that safe?

3. She mustn\'t know a foreign language in order to be a good secretary.

Must she know a foreign language in order to be a good secretary?

4. The Earth doesn\'t go round the Sun.

Does the Earth go round the Sun?

5. Alex isn\'t getting married next month.

Is Alex getting married next month?

6. The police didn\'t stop me on my way home last night.

Did the police stop me on my way home last night?

7. Yesterday Tom didn\'t wake up early.

Did Tom wake up early yesterday?

8. Lots of things haven\'t happened since I last wrote to you.

Have lots of things happened since I last wrote to you?

9. They won\'t have business talks tomorrow morning.

Will they have business talks tomorrow morning?