Do it (once more),please

Do it (once more),please 翻译：once more,please. I can't understand it,will you please _____ once more? 15.I can't understand it,will you please _____ once more? I can't understand it,will you please _____ once more?A.expl 15. I can't understand it, will you please _____ once more? they should do it.at once They should do it at once. 1.Please do more and talk_________.(little) You had better do once more的同义句 I cannot hear you c .Please say it once mor take your time.please inform us once it is done.