--- Have you seen Tom and Mary?--- I haven't seen ___ of them.为什么只能填both,不能填either.both和either的区别

have you seen anything Have you seen John? “Have You Ever Seen Me? Have you ever seen snow? Since I have seen you Where have you seen them? have you seen的意思 Have You Seen Her 歌词 have not seen you ages what emergencies you have seen I HAVE NOT SEEN YOU , You are friends,but you have never seen eaYou are friends,but you have never seen each other,you often write letters to him／her.翻译成中文 Goodbye!Im glad to have seen you.怎么回答?A,me too .B,see you later *34.You look familiar to me ,I seem ______ you somewhere before.A.having seen B.seeing C.to see D.to have seen翻译并详细分析. You certainly wouldn't like___in such bad company.A.to be seen.B.to be seeingC.to seeD.to have seen不知道这道题考察的知识点是什么 Do you want to go a movie tonight?No,I have a () seen it before. Have you seen the key ___my bike A of B to Cfor Dwith Have you seen henry lately My boss wants to know how he is getting along翻译