用定语从句即可,即

The students who are from the USA will go to Wangfujing Street tonight.

或对后面的will变成同义的,即

The students from the USA are goingto Wangfujing Street tonight.

will = be going to

来自美国的学生们今晚要去王府井大街.


希望能帮到你,祝更上一层楼O(∩_∩)O
有不明白的请继续追问,可以详谈嘛(*^__^*)