Who was ____called this morning?为什么用it that?

如题所述

因为这是一个强调句的特殊疑问句,原句是sb. called this morning, 变成强调句之后是It was sb. that called this morning.
对sb.提问,就变成了who was it that called this morning,也就是题中的句子了。
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第1个回答  2011-02-28
it was who that called this morning.是对主语的强调句,又是对主语的疑问句。本回答被提问者采纳