The couple their old house and sold it for a vast profit.
A. didfor
B. didin
C. didwith
D. didup
网友回答
A. didfor
B. didin
C. didwith
(答案→)D. didup
解析：考查词组：句意：这对夫妇修理了旧房子，卖了高价。do up这里指to repair an old building or car， or to improve its appearance。整修，打扮，此外do up还可以指fasten something，扣，A. did for适合B. did in 欺骗； 搞垮；C.did with处理，选D。