practice和practices在做名词“练习”时,有什么不同吗?

practice和practices在做名词“练习”时,有什么不同吗? practice在英文中是否有复数形式?比如:可以说成more practices? do some practice还是do some practices单数还是复数? The boy really need some conversation_____ A to practice B practicing C practice D practices The boy really need some conversation A to practice B practicing C practice D practices Students get lots of___and they also have__应该是哪个答案?为什么?A.practice ,a fun B.practice ,funC.practices,a fun D.practices fun应该是哪个答案?为什么? 请问 what 和 matters 在此句做什么成分?what matters is how to put theory in practice practice的复数形式practices应该怎么读?情标出音标, They have a lot of and they also have .A.practice,funs B.practice; a fun C.practices ,funD.practice,fun 求practise和practice用法区别 practice做名词时可不可数?要不要分情况?同样,exercise呢. practice in doing 和practice doing 区别 practice和practise区别 pracitse和practice 有什么区别?哪个又可以做名词又可以做动词? Tina （）her guitar every day. A.practice B.playinTina （）her guitar every day.A.practice B.playing C.practices D.play 英语翻译It takes him an hour to ______ playing volleyball every day.请问横线部分是写practice还是practices? practice是不是在美式中做动词,在英式中作名词? practice practice