I've been told that in English study__idioms is of great imp

I've been told that in English study__idioms is of great imp I’ve been told that English is the hardest language to learn I’ve been told that he plays quite well.翻译 I've just been told that your mother_____English along with I've been told by a friend that my teenage son has been bull The happiness that I’ve been longing for is lost in your arm 请问“I've been told that+从句”中that可不可以省略? 句子分析：Whether he'll join us in the discussion is of great imp I've been told that the tenth and last chapter ____ better w I've been told that America are not as formal as people say. I have been told that the great ball held the day before yes I've never been there.Is it b___?Of c___ .