I don't know the boy___ a black shirt

Sorry,I don't know the name ___that boy I don't know the boy ___ withes shoes.速度 A tall boy is takeing with Linda.I don't know the boy.合并句子 gaoyutong love a boy but he don't like the boy how can i do know soheei is the same boy,you don't know what i like you 英语词语填空Do you know my sister____a boy friend in the US sorry,I don't know I don't know the......the question why?but i don't know the I don't know the place.是什么意思? I don t know the boy next —— the teacher.中间填什么中间填什么介词啊? I don't know the boy.Do you know_____(he)用所给词的适当形式填空 I don't have to introduce him to you( )you know the boy.A.unless B.sinc I don't have to introduce him to you( )you know the boy.A.unless B.sinc I don't have to introduce him to you__you know the boy A until B unless C since D but I don't know. I don’t know the rule.还是I don’t know the rules. The boy who is playing football is my cousin.中,who is 可以省略吗?（比如：I don't know the boy playing football there.） I don't(know)the teacher,but I(know about)her.可以换成know about;know?