I heard of that my old friend came back from USA.
问题描述:
I heard of that my old friend came back from USA.
答
去掉 of
hear of 听说,后面不能跟从句,只能跟 名词或者名词短语
hear 后面可以跟从句.
本句意思是:我听说我的老朋友从美国回来了.