Did you plan pay off.为什麽pay不用过去式?

Did you plan pay off.为什麽pay不用过去式? how did you（ ） all your debts?A pay for B pay off 为什么是选B?怎么翻译? Did you( )Tom slip off? pay off 请问:How ___ did you pay why did you shave it off?( )he ( ) ( )it off. You'll pay it off for what you do .语法有错吗?pay off 字典有报复的意思 some day in the future ,you shall____what you have done.Apay for B pay off C pay back D pay much book did how for pay the you?联句哦 How much did you pay for the trousers? much book did how for pay the you? Some day in the future,you shall ___ what you have done.A.pay for B.pay off C.pay back D.pay 为什么选B呢 need-pay off pay off the Where did they go for their day off?What did you do on your day off? 翻译 pay back pay up pay off pay down M:How much did you pay for this novel W:I pay 4 dollars..But it is one-third off the regularpriceQuestion:How much did the novel cost at the regular price?这题的第二句话没有理解,那价格应该是多少钱为什么答案是6元啊,难道 If you don't pay your gas bill soon,you will be cut off .怎么译