Some people have very good memories, and can (1)learn quite long poems by (2).There are other people who can only (3)things that they have said again and again. A (4)memory is a great help in learning a language. (5)learns his own language by remembering( 6)he hears when he is a small child. Some children don't (7)in their own country, and they seem to learn two languages (8)as easily as one. In school it is not so easy to learn( 9)foreign language because students have so (10)time for it and they are busy with other lessons, too. A man's mind is rather like a camera, but it takes photos not only( 11)what we see but also what we feel,hear, smell and taste. When we take a real photo (12 )a camera, there is much to do before the photo is finished and( 13)to be shown to our fiends. In the same way there is much work (14)before we can keep a picture (15 )in our minds,