chew gum,gum不用复数形式么拜托各位了 3Q

chew gum,gum不用复数形式么拜托各位了 3Q 请问是chew gum 还是chew gums gum的复数是什么 口香糖gum可不可数,如果可数复数形式是不是gums? I used no chew gum very often改为同义句 I used to chew gum ______ __________. It is not a good habit -----------in pubic placea chewing gum b to chew gum c to chew gums d 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~ gum是什么 “bubble gum gum color gum是什么意思 gum口香糖复数直接加s吗?gums还是就是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 翻译：To chew or not to chew that is question that many dentists are asking about chewing gum. GUM是可数名词吗口香糖-GUM gum怎么读