题目

阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。How to achieve a healthy lifestyleWe all know that it is good to live a healthy life. 【1】（live）a healthy life means we should eat healthy food. Yet for many of us keeping a healthy lifestyle is very difficult. Part of this is because we are creatures of habit. So if you want 【2】（live）a healthy life，you have to change your habits that are not so healthy. In order to feel less tired，you have to replace your habit of sleeping only 4 hours a day with sleeping at least 6 hou— Can I use your English book?  — Certainly. _____        [     ]A. Here you are               B. Here it is     C. Here you is                 D. Here are you