He doesn't know about it.He has never heard about it.这句话是对的吗

He doesn't know about it.He has never heard about it.这句话是对的吗 选择He didn't know ( )about it you ___tell him about it.because he has know it.要用mustn't 还是 ( )know about it,does he? He doesn't know ____ about Africa. 英语翻译最近在看本语法书,说He pretends not to know about it.=He doesn't p i didn't know about it until he told me . Helen didn’t know anything about it ___________________ he He didn't know what to do about it 为什么填what 不是有it吗? The more he heard about it,the_____(surprise) he felt he doesn't know ______about it 请教he may not know about it