case、telephone、video、tape、mom、floor、room这些单词,哪些是可数名词和不可数名词?还要告诉我即可以当可数名词又可以当不可数名词的单词怎样认.还有collection

case、telephone、video、tape、mom、floor、room这些单词,哪些是可数名词和不可数名词?还要告诉我即可以当可数名词又可以当不可数名词的单词怎样认.还有collection video video video video 改为同义句 The video tape is on the pencil case The video tape is on the pencil case改为同义句.怎么改 movie,case,English,video,ring,party,photo,month,day,wife的复数形式,急求. telephone your look 是可数名词吗还有 question phone number case ring found father cousin sofa video shirt sock Case case Take down my telephone number----you might need my help.A.in case B.so that选哪个,为什么 英语翻译WHO Need Multimedia While most users deal with text-type information,multimedia analysis envision companies moving toward a variety of data type.Video mail ,video database systems for sales support,integrated voice and telephone support a 英语翻译这句话怎么翻译 most people will not travel to work but will communicate online or through video and telephone 英语翻译video VIDEO是什么意思? Video Game