Question

In fact, the house as well as his two cars ______ him all the money he earned during the 20 years．

A．has been cost

B．have cost

C．has cost

D．have been cost

Answer 1

C

考查主谓一致。as well as连接两个部分做主语时，谓语动词要根据前一部分来判断，因此用单数；而sth cost sb money，因此不用被动。选C。