填空题 explain promise apologize thank admit refuse suggest advise

填空题 Why don't you think it over for a few days and get back to me?
______
填空题 I'm afraid we cannot extend your overdraft.
______
填空题 I think you should consider our terms before making a decision.
______
填空题 I'll definitely let you have the details tomorrow.
______
填空题 It appears that we made a mistake on your October statement.
______
填空题 You understand that the bank will want about 120% in securities to cover this credit.
______
填空题 We are very sorry for the delay in replying your request.
______