How much did the computer cost ben?这句话中为什么要用did不用do?

How much did the ticket how much did you how much did you spend on the travelling?=how much ____ the travelling ____ you? 英语翻译How much money did Tom spend on lettuce?Hom much did all the groceries cost? how much money did you spend in the robot shop How much did you s_____ on the dictionary? how,much,you,the,did,dictionary,cost连词成句, 翻译 How much did you buy the new computer for? much book did how for pay the you?联句哦 How much did you ＿ ＿all the things? How much did you pay for the trousers? much book did how for pay the you? How much did the new computer_______(花费）you? How much did the Mall of America cost? How much did you spend ( ）the house怎么填 How much did you pay for the oranges?(保持愿意） How much did you _____ ______ the oranges? how much did you spend on the shirt 同义句how much _______the shirt_______ ________ I asked the clerk at the post office__a.how much does it costb.how much did it costc.how much it costd.how much it costed