6. regards/ your application/ regret/ inform/ vacancy/ already/ fill. A. As regards your application, I regret informing you that the vacancy has already been filled. B. As regards your application, I regret to inform you that the vacancy has already been filled. C. As regards your application, I regret to inform you that the vacancy has already filled. D. As regards your application, I regret to informing you that the vacancy has already been filled. 7. We/ not/ head/ tail/ what/ he/ say. A. We can’t make head nor tail of what he is saying. B. We can’t make head or tail of what he is saying. C. We couldn’t do head nor tail of what he was saying. D. We didn’t do head or tail of what he was saying. 8. many people/ infect/ HIV/ 5 years/ as/ they/ this year. A. Many people were not infected by HIV 5 years ago as they are this year. B. Many people were not so infected by HIV 5 years ago as them this year. C. Not as many people were infected with HIV 5 years ago as they are this year. D. Not so many people were infected with HIV for 5 years as them this year. 9. Mrs. Kate/ pride/ cook. A. Mrs. Kate prides herself on her cooking. B. Mrs. Kate takes a pride on her cooking. C. Mrs. Kate prides herself on being the good cook. D. Mrs. Kate takes prides herself on her cook. 10. correspondence/ London office/ priority/ matter. A. Any of correspondence from the London office must be given a priority over other matters. B. Any of the correspondence from the London office must give priority over other matters. C. Any correspondence from the London office must take priority over other matters. D. Any the correspondence from London office must take a priority over other matters.