surrounded后面的介词是什么，be

后面的介词是with，例如：

1、Then he ordered that the place should be surrounded with a golden railing， and a stationed near it.于是这块地的周围就竖起了一道金栏杆。有一个哨兵日夜在这儿站岗。

2、If you want to be surrounded with positivity and good-humored people， you should get rid of your stereotypes and agree that friendship between men and women is of great importance.如果你想要周边的人都是乐观积极，并且有良好幽默感的话，你应该抛弃你的刻板印象，认可男性跟女性之间的友谊尤其重要。