Japanese bows when they meet people请分析相关语法

Japanese bows when they meet people请分析相关语法 连词成句：couldn't ,I,Japanese,when ,I,four,was,speak,and,still,I,now,can’t. I couldn't speak Japanese when I was in Japan and I_t_ _ _ can't now japanese japanese u are a Japanese,aren't you? The Japanese ________ when they say hello and goodbye. Mr.Brown knows little Japanese,____he can't undestand what te Japanese said. I don't think he speak Japanese well对吗 He is from japanese.He can't speak chinese .改错 he said he didn't speak Japanese any __(much) she don't know japanese.哪里错了 He doesn't study Japanese at school(改为肯定句) she don't know japanese.哪里错了 Can you speak japanese?No,Ican't.翻译 Max learned Japanese by himself when he was thirty.同义句 Max----himself Japanese ----the----of thi He didn't speak French and he didn't speak Japanese,either.(同义句) He ( ) ( ) French ( ) ( ) Japanese. Jim doesn't know Japanese,and his brother doesn't know Japanese,either.这里为什么用either而不用too?