it去掉what…whichabout…forcomplained…complainmany…muchBeside…Besidesdifficulty…difficultBecause…Because ofmust…shouldwhat…how
你好!is→it,know →known 如有疑问,请追问.
earth -> the earth 世界个独一无二的事物前要用the即:As is known to all ,the earth is round.*****************************************************************************祝假期愉快,学习进步!本题不明白,请再问;如果对你有所帮助,请点击本页面中的“选为满意回答”按钮,谢谢!手机提问 ,请 点击 右上角“ 满意”按钮 ,谢谢!*****************************************************************************
know 改为known As is known to all,
当中间有逗号隔开,前面用as,当无逗号时分两种情况,后面有is用what,无is用it
as we all know本身没错,也许根据短文中环境改为As we all known
As is well known ,a friend in need is a friend indeed.,去钓it.因为整个前面的成分是做状语.
as is well known,非限定性定语从句