He is junior to me by two years.他比我小两岁,在这里为什么用by,不用别的介词?thanks a lot

介词用法he is junior to me by two years.这里为什么用by?这里是什么用法? He is junior to me by two years.他比我小两岁,在这里为什么用by,不用别的介词?thanks a lot He is a Junior Two student是什么意思 __________is unknown to me.A.Where he is B.Where is he C.He is where D.Is he where__________is unknown to me.A.Where he isB.Where is heC.He is whereD.Is he where When he saw me,he stopped______to me.A.talking B.to talk C.there is D.is there 英语翻译He is very important to me . He is always ________ to me. He is sitting close to me. every time he came to me,he___tell me he was busy!A,would B,is going to C.will D.is to he is a english teacher in NO2 JUNIOR HIGH SCHOOL To my surprise he ____ very kind to me this morningA is B is being C does D is doing he is very ( ) me .A helpful to B helping C helpful of lt is ( )to see that he loves me A.easily B.essa C.easy tell me why ,and translate it_______ ,he is not yet ready to turn professional.A gifted as is he B gifted though is he C gifted as he is D though is he gifted he is talk to me和he is talk with me的区别是 Tom is tall, so he sits b() me.tom is tall, so he sits b() me. He is going to help me.（变否定句） He（ ）going to help me. he rather than me __going to give away a gift to you.A.is B.am C.are D/ were