I paid the mouse for 18 yuan in the supermarket.中的paid怎样理解

I paid the mouse for 18 yuan in the supermarket.中的paid怎样理解 I ______ the mouse for 18 yuan in the supermarket.A.paid B.bought C.cost D.spent我认为此题选B ,有认同的吗 i paid 5 yuan for the book 同义句 I paid five yuan for the pen.同义句转换 I paid 20 dollar for the cheeseburger同意句 i paid ()for the new pen A half pound -Have you been paid for the painting?-Yes,I remember______$60 for it.A.to have paidB.being paid i remember（）for the job,but i forget the exact amount.A.to be paid B.being paid C.to paid do you regret paying five dollars for the book?no,i _twice as much for itA would gladly have paid B had galdly paid Cgladly paid I paid 28 yuan for the pen.(改为同义句）II paid 28 yuan for the pen.(改为同义句）I （）28 yuan ( ) the pen. I paid 55 yuan for the MP3 (同义句) The MP3 ____ ____ ____ ____ 单选he asked ( ) for the violinA:if i pay B:that i paid C:how much did i pay D:how much i paid I paid 600 yuan for this bike I paid 600 yuan for this bike i thinf your coat is not ____(值得)the price you have paid for it I paid 20 yuan for the photo album?对20 yuan 提问 I paid only 3000dollars for the used car but it is _________much more怎么填 the coat,_____ i paid 40 dollars,was lost.答案为什么是which而不是for which