I can't( )(say,speak,talk,tell用正确形式填空)it in Japanese

I can't( )(say,speak,talk,tell用正确形式填空)it in Japanese

say
因为say后面加讲话的具体内容,这里it 就是具体内容
speak后面加语种,直接是speak in Japanese
talk 与tell后面都是加sth 或to sb

speak

say

speak
说语言用speak

say
say sth in +语言
speak+语言