——Do you work in this university?___No,I ( ) it for 3days.A just visit B am just visiting C had already visited D just visited

——Do you work in this university?___No,I ( ) it for 3days.A just visit B am just visiting C had already visited D just visited
——Do you work in this university?
___No,I ( ) it for 3days.
A just visit B am just visiting C had already visited D just visited

——Do you work in this university?___No,I ( ) it for 3days.A just visit B am just visiting C had already visited D just visited
很显然是个现在时嘛
没错的话 选A

B表示现阶段一段时期内所做的事用be+v.ing

过去完成时，选C

A,语感的

B，解释同59蚊子。

A.
因为for后跟一段时间，如果事情过去了，就用现在完成时
还在继续，就用一般现在时咯~

选D，题目强调的是过去的状态，并没有强调过去的结果和对现在的影响，所以选D。这一题是一个很经典的题目，误导很多人，你们老师应该都讲过的哈~_~

用完成时 而且是过去完成时 c
你在大学工作吗
不 我只是曾经在那里拜访了三天

d

C

C,for 3 days说明是一段时间用完成时态，他问他是不是在这大学工作？
他说：“不，我只是曾经在那里参观了三天