He's talking with one of his friends now.Friends为何加S?句中one of含义?删除后句子又怎样?

He is talking with my mother on the phone.句中的on能换成over吗 He 's talking with one of his (friends) now.(friends)为什么要加s 初二英语UNIT 51.We must try to i______ ourselves with the help of teachers.2.I thank it's not right for her _____(argue)with her parents.3.He is talking on the telephone ______(happy). pretends he's talking into a microphone中的talking talking into为什么不是talking to, He is talking on the phone.翻译 He left___after talking with his brother（anger）Listen!There is a knock_____the door.Aat B on C AandB Who is he talking with?With whom is he talking?两句哪一句对啊. he's talking to a customre right he‘s talking to the student对吗 Stop ___,please.Let's go on with our lesson.A.talk B.to talk C.talking D.talked Where is ()maths teacher?He's talking with Sam'father.A.a B.an C.the D.不填 完形填空!一、Alice and Mike are riding on Mike’s motorbike and talking about Alice’s problem.Mike:What’s the matter with you,Alice?You look very _1_today.Alice:It’s my neighbor’s __2__ .He keeps barking and barking.I couldn’t sleep 1.Tom often has a c_____ with his father.He enjoys talking with him.2.Don't be afraid of the tiger.It's in the c_____ 四道英语单选题1.It's windy and cold,so he is wearing a scarf ______ his neck.A.around B.on C.with D.in2.( ) my book.It's too old.A.Look B.Look at C.Have D.Have a look3.What's the man ______?—I don't know.A.talking B.waiting C.taking D.listen He is talking with three beautiful ( )over there he is talking with the girl----(call)mary. He was talking with his friend Peter on the phone when I came in.（对划线部分提问）划线部分：his friend Peter ______ _______ he ______ with on the phone when you came in He's talking with one of his friends now.Friends为何加S?句中one of含义?删除后句子又怎样?