It was seven years ago that the poor man's wife___of cancer A.died B.die C.was dying D.had died请说明原因
问题描述：
It was seven years ago that the poor man's wife___of cancer A.died B.die C.was dying D.had died
请说明原因
答
答案A 此句式为强调句型 it is /was +被强调部分+that/who+其它，被强调的为时间状语seven years ago ,而且是表过去的具体时间，所以选A
答
A
die of …… 死于……
强调句型 还原为：
The poor man's wife died of cancer seven years ago.
答
A died
这个句子是强调句,
就是 the poor man's wife died seven years ago．