All orders carefully. a) were executed b) are executed 2. they didn't leave the restaurant until they had paid the bill. they didn't leave the restaurant until the bill a) had been paid b) was paid 3. henry ford invented the assembly line. the assembly line henry ford. a) is invented b) was invented 27 4. they have just adopted the annual budget. the annual them. a) was just adopted b) has just been adopted 5. the company is changing its organizational structure now. the organizational structure of our company a) is changed b) is being changed

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