英语翻译1、无论谁最后离开教室都应该关灯关门.2、不管我多努力学习物理,都学不好.3、请把这个礼物给任何一个先到我家的.

1.Whoever lives the classroom last should turn off the lights and close the door.
2.I am not able to have a better command of physics however hard I work on it.
3.Please give the gift to whoever arrives at my home first.