I don't know much about China的同义句 I know only _____ ____ abo

I don't know much about China的同义句 I know only _____ ____ abo But I don't know much ____ china and chinese _____ . I don't know much about his work.同义句转换=I----- ----- his work i don't know的同义句 I don't know?的同义句 I‘m afraid I don't know 的同义句 How old is he? I don't know （变为同义句）I don't know ____ ____ I don't know改成同义句 i don't know 同义句 I don't know how I can fly a kite(同义句） I don't know how ____ i don`t know much Shirley ____ a book about China last year,but I don’t know w