TheproportionofelderlypeopleincreasesinBritainandmedica...

問題詳情：

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

知識點：虛擬語氣與情態動詞

題型：選擇題