I received a letter from my father last Sunday 改为同义句 I( )( )my father last Sunday谁来帮我帮我把这两个问题解决了，网站有关于流行音乐的新闻，也有关电影方面的the website has news on pop music（）（）（）on films我们在到达山顶的途中遇到了困难we have problems()()()()of the mountain
问题描述：
I received a letter from my father last Sunday 改为同义句 I( )( )my father last Sunday
谁来帮我帮我把这两个问题解决了，
网站有关于流行音乐的新闻，也有关电影方面的
the website has news on pop music（）（）（）on films
我们在到达山顶的途中遇到了困难
we have problems()()()()of the mountain
答
heard from
hear from 是收到来信的意思。
答
I received a letter from my father last Sunday
同义句 I( heard)( from )my father last Sunday
答
heard from
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答
heard from 词组 收到某人来信