Greenpeace is an independent organization which uses nonviolent, creative confrontation to expose global 1) environmentalproblems. The founders of Greenpeace believed a few individuals could make a difference. Their first mission was to attract public attention to the USA’s underground 2) testing at Amchitka that was the last refuge for 3000 3) sea otters, and home to bald eagles, peregrine falcons and other 4). The US still detonated their bomb, but the voice of reason had been heard. Nuclear testing on Amchitka ended that same year, and the island was later declared a bird sanctuary. Today, 5)  is a global organization that gives priority to campaigns that can be addressed on a world-wide scale. Based in Amsterdam, Greenpeace has 2.8 million 6)- worldwide, and regional offices in 41 countries.​

1. Are our customers from English-speaking countries?

    Our customers aren't from English-speaking countries.

2. Was there a confidential document in that safe?

   There wasn't a confidential document in that safe.

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

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

4. Does The Earth go round the Sun?

    The Earth doesn't go round the Sun.

5. Is Alex getting married next month?

    Alex isn't getting married next month.

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

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

7. Did Tom wake up early yesterday?

    Tom didn't wake up early yesterday

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

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

9. Will they have business talks tomorrow morning?

    They won't have business talks tomorrow morning.

1. Our customers are from English-speaking countries.

Our customers aren't from English-speaking countries.

Our customers are from English-speaking countries, aren't they?

2. There was a confidential document in that safe.

There wasn't a confidential document in that safe.

Was there a confidential document in that safe?

 3. She must know a foreign language in order to be a good secretary.

She must not know a foreign language in order to be a good secretary.

Who must know a foreign language in order to be a good secretary?

4. The Earth goes round the Sun.

The Earth doesn't go round the Sun.

The Earth goes round the Sun, doesn't it?

5. Alex is getting married next month.

Alex isn't getting married next month.

Is Alex getting married next month?

6. The police stopped me on my way home last night.

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

Who stopped me on my way home last night?

7. Yesterday Tom woke up early.

Yesterday Tom didn't wake up early.

When did Tom wake up early?

8. Lots of things have happened since I last wrote to you.

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'll have business talks tomorrow morning.

They won't have business talks tomorrow morning.

They'll have business talks tomorrow morning, won't they?