before.in front of.in the front of ,ahead有什么区别

in front of,in the front of,before的区别 in front of和before的区别 before=in front of( )behind ( ) Before I give my talk in front of the class, I was a little tense.翻译 I was a little ____ before l gave my talk in front of the class a head of ,before ,in front of 有什么区别 before.in front of.in the front of ,ahead有什么区别 求英语高手帮忙.above,under,before,in front of,in the front of啥意思 Teacher in front of blackboard 的in front of 可以换成before么 请问before和in front of,in the front of有什么区别 Before 和 In front of 在表示空间上的“前面”时有区别吗?I am sitting before the screen.He is lying before me ,这些都用in front of代替可以吗?不论可不可以,有什么区别? ahead、before和in front of 具体区别要具体 behind的反义词是before还是in front of? before和in (the)front of 区别有什么区别 in front of 和before用法有什么区别? 同义词(in front of)There are some flowers (in front of) the house.A.before B.in the front of C.in front When I saw a tiger in front of me,my life passed before my eyes.这句话怎么翻译 I'm in front of Tom(提问)