употребить глаголы, данные в скобках, в Present Perfect, Past Perfect или Past Simple.

1. By that time the company already (to make) great progress in the use of recyclable bottles and packaging materials. 2. In recent years the Colgate Company (to become) a truly global consumer products company, selling in more than 200 countries. 3. In the 1930s one of the world’s strongest economies (to suffer) a devastating collapse. 4. Countries (to trade) with each other for thousands of years. 5. After the government (to put) higher taxes on petrol, people tried not to use their cars so often.