Maybe our heads should be ...(Letters)(Letter to the Editor)Magne, MartyHeggtveit, H. AlexanderKrebs, LisaSarginson, Diane
If you are not sure how much postage is for your letter you can ask the person in the post office. He or she will give you the stamps you need. If you are sending your letters far away write on the envelope(信封) that you want them to go by air. Remember that the postage will ...
Students should sit a little higher than the computers so that they are looking down at the computer screens.The top of the monitor(显示器) should not be so high as the top of a student's head.★Breaks If students spend a long time in front of a computer screen,it c...