I don't believe you can do today's job with yesterday's methods and be in tomorrow's business, ________?
Mr. Brown, please point out my spelling mistakes, _____.
________ a reply, he decided to write again.
Don’t worry. We’ll keep you _______ what happens.
Mr. Smith was quite satisfied with his new flat______ beside the West Lake Park and decided to settle down there.
_____, Carolina couldn’t get the door open.