TheproportionofelderlypeopleincreasesinBritainandmedica...

问题详情：

The proportion of elderly people increases in Britain and medical advances make it possible to keep alive patients who ________ previously.

A. would die                   B. had died     C. should have died              D. would have died

【回答】

D

知识点：虚拟语气与情态动词

题型：选择题