before 和in front of 的用法新概念二册 第一课中的一个课后练习The young man and young woman were sitting behind him.He was sitting(空) them.这里选的是 infront of 我是认同的 但是为什么不能用before 呢

in front of和before的区别 请问before和in front of,in the front of有什么区别 ahead、before和in front of 具体区别要具体 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? in front of,in the front of,before的区别 before=in front of( )behind ( ) before,above,behind,ahead of和in front of的区别 another和the other in front of 和 before 的区别 before和in front of在都表示方位的意思时,有什么区别 a head of ,before ,in front of 有什么区别 in front of和in the front of 的区别 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 behind的反义词是before还是in front of? 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 in front of和in the front of和at the front of的区别