请问是chew gum 还是chew gums

请问是chew gum 还是chew gums chew gum 中的gum 口香糖是可数名词还是不可数?一般是用可数还是不可数?今晚~ 请问chew的音标是什么 请问chew 和chew up有区别吗? I used no chew gum very often改为同义句 I used to chew gum ______ __________. I used to chew gum a lot.请问这里,a lot修饰什么?它的用法是什么? It is not a good habit -----------in pubic placea chewing gum b to chew gum c to chew gums d chew gums chew gum,gum不用复数形式么拜托各位了 3Q 翻译：To chew or not to chew that is question that many dentists are asking about chewing gum. My teather don't allow us to chew gum in class同义句 关于chew gum a lot这里为什么用a lot?它不是表示程度的吗? I used to chew gum a lot.怎么译,a lot是什么成分 chew的过去式是什么?是规则性的变化还是特殊的? chew和chew on的区别 怎样用chew造句 chew什么意思 Chew on this 1 He 2 to 3 lot 4 a 5 gum 6 used 7 chew连词成句