9.He ___________much about Chinese.(not know) 动词过去式!
_____ _____ does he know about Chinese?
He does not know much Chinese.[同义]
He _______much about Chinese.(not koow)
请教he may not know about it
not know的过去式
did not+动词过去式
He did not know _ to do about it.
He does not know anything about parrots(nothing)
mr.smith must know a lot about chinese A.So he must B so he
We know the boy—.He knows — about Chinese history.A .well,we
He knows nothing about c__.He does not even know what H2O is
Tony does not know how he can learn chinese well .改为简单句.