Question

Although he had taken a lot of medicine, his health _____poor.

A．prove

B．remained

C．maintain

D．lasted

Answer 1

B

prove证明；remained仍然；maintain保持；lasted持续。Although he had taken a lot of medicine,用的是过去完成时，所以主句要用一般过去时，排除A,C；且句意是：尽管他吃了很多药，他的健康仍然很差。所以选B。