problem可数吗,problem接哪个定冠词？
摘要have a problem doing 或 have problems doing区别很简单,就是一个问题还是多个问题i have a problem eating nuts because i h
have a problem doing 或 have problems doing
区别很简单,就是一个问题还是多个问题
i have a problem eating nuts because i have no teeth.
i have problems eating nuts because i have no teeth and i have severe reactions to nuts.
不能说have problem doing.英文中可数名词前一般必须加冠词
