1. Today isn't Sunday, so the pupils can't go swimming. A. If today were Sunday, the pupils could go swimming B. If today is Sunday, the pupils could go swimming. C. The pupils could go swimming unless today is D. The pupils could not go swimming if today isn't 2. Stop talking or you won't understand the question. A. If you don't stop talking, you won't understand the question. B. If you don't stop talking, you wouldn't understand the question. C. If you hadn't stopped talking, you wouldn't understand the question. D. If you hadn't stopped talking, you wouldn't have understood the question. 3. They are building a new highway around the city. A. A new highway is being built around the city. B. A new highway is been built around the city. C. A new highway around the city is being city. D. Around the city a new highway is being city. 4.They spent a lot of money on food and drink. A. A lot of money was spent on food and clothes. B. A lot of money were spent on food and clothes. C. A lot of money on food and clothes were spent. D. Money was spent a lot on food and clothes. 5. Charlie said, "I haven't seen Bill for a while". A. He said that he hadn't seen Bill for a while. B. He said that I haven't seen Bill for a while. C. He said that he hasn't seen Bill for a while. D. He said that I hadn't seen Bill for a while. 7. She lived in London then she moved to New York. A. Before she moved to New York, she had lived in London B. She had moved to New York after she lived in London. C. By the time she lived in London, she had moved to New York. D. She lived in London before she had moved to New York.