亲 这里没有被动.
前面的Not having received a reply是这个句子的独立主格结构.可以换成一个原因状语从句:Because he hasn't received a reply真正的主句是后面的he decided to write again.
亲 这里没有被动.
前面的Not having received a reply是这个句子的独立主格结构.可以换成一个原因状语从句:Because he hasn't received a reply真正的主句是后面的he decided to write again.