读课文,按课文内容将下列句子排序。 (______)And this pen costs one yuan. It’s cheap. (______)This pen costs nineteen yuan. It’s beautiful. (______)I’ve got twenty yuan now. (______)I want to buy a pen. (______)It costs one hundred and eighteen yuan. (______)I can buy these two pens. (______)This pen is very nice. Wow!It’s expensive.