A. a; a B. the; / C. a; / D. the; a
A. the best B. better C. the most D. more
A. It's really wonderful B. It all depends C. No one knows for certain D. It is not my cup of tea
A. With pleasure B. It's a deal C. My pleasure D. It’s up to you
A. can't B. don't C. won't D. mustn't
A. frequent B. normal C. formal D. rare
A. available B. grateful C. generous D. ridiculous
A. assignment B. agreement C. retirement D. appointment
A. has been raised; rise B. has been rose; raise C. has raised; rise D. has raised; rose