l think the english is diffculty whose english grade is less than before ,这个句子不对吧,whose 的先行词是什么 l think the english is diffculty 是一个完整的句子,后面只能加状语从句连词不能用whose
l think the strange vocabulary is very really much too big ,把very去掉 very really 都是形容词,形容词不能修饰形容词
For another reason ,another应该要改成 the other 因为一共只有两个原因
l hope to you can give some good advice for us,把to改成that,to后面不能加句子
l want to you can teach our 句子里有两个谓语 can want错误