B) rewrite the sentences in the passive. 1. kerrie has paid the bill. the bill by kerrie. a) was paid b) has been paid 2. our boss will sign the contract. the contract our boss. a) will sign b) will be signed 3. the director and the accountant usually sign financial documents. financial documents the director and the accountant. a) are usually signed b) usually sign 4. they sell the gold on international markets. the international markets. a) is sold b) sells 5. henry ford invented the assembly line. the assembly henry ford. a) is invented b) was invented 1 2 3 4 5