用first,then,next,lastly造句

1。Let's begin our first lesson now。现在让我们开始上第一节课。2。Then he looked at the car again。然后他又看了一遍这个轿车。3。Who will judge the next case?下一个案件将由谁来审理?4。Lastly,believe that you can succeed。最后,相信你能够成功。