Stop talking ,the teacher is standing____ (in front of/in the front of) the class

问题描述:

Stop talking ,the teacher is standing____ (in front of/in the front of) the class

Stop talking ,the teacher is standing___in the front of_ (in front of/in the front of) the class
在教室里面的前面用in the front of
在教室外面的前面就用in front of