I a big house for my family if I a lot of moneyA. would buy haveB. would buy hadC. wi

问题补充：

I a big house for my family if I a lot of money．

A. would buy, have

B. would buy, had

C. will buy; had

D. will buy, will have

答案：

A. would buy, have

(答案→)B. would buy, had

C. will buy; had

D. will buy, will have

解析：句意：如果我有很多钱，我要给家人买个大大的房子。句子用虚拟语气，所以动词用过去式，would，had，故选B。