Both of my parents can speak English.(改成否定句） ------of my parents -------- speak English

Both of my parents( )my studies 翻译 Both of my parents are teachers. 翻译 Both of my parents are teachers. both和both of 是什么区别啊?both of my parents和both my parents什么区别 ()of my parents are good at English.A.All B.Either C.Both ----------my parents not at home ,my mother goes to party A some of B both C most of Both of my parents are teachers(否定句） （ ）（ ）of my parents ( ) ( ) ( ) Both of my parents can speak English.(改成否定句） ------of my parents -------- speak English Both of my parents中的of可以省略吗?my parents 是名词吗? Both of my parents can speak English.改为否定句 Both of my parents are teachers(同义句) Both of my parents are workers.同义句 Both of my parents are doctors.(改为否定句) .呵呵,我英语不好,见下--------of my parents are doctors.A.all B.each C.both I don't really stand beijing opera,but( )of my parents like it a lotA .either B、both c、all 急!_____ of my parents and I is a teacher.(A,Both B,Neither C,Nothing D,Nobdy) 7．_____ of my parents is poor-educated,they both left school when they were 13.A.Both B.All C.Either D.Neither选什么 ,为什么 my parents ----teachers ,are you parents both teachers yes they ----.A.both are,are both B.are both ,are both C.both are,both areD.ARE both are both ,为什么